Overall survival analysis. Medical search. Frequent questions

Only 6.8% of patients presented in clinical stage I. Cumulative survival rates calculated using the Kaplan-Meier method were 68.8%, 57.33% and 36.44% after 5, 7 and 10 years respectively. (who.int)
A good place to start is simply to look at the data, literally, in the form of the Kaplan-Meier Estimator (KME, Kaplan and Meier ( 1958 ) ), which is a nonparametric estimator of the survival function (the tail, or complement, of the distribution describing the lifetimes) which takes into account the censoring. (r-bloggers.com)
Survival was analyzed using Kaplan-Meier curves. (snmjournals.org)
Data Synthesis: Kaplan-Meier estimates of survival were compared using log-rank analyses. (eur.nl)
It starts with the estimation of constant rates and two-group comparison of rates using the rate ratio, and progresses to the use of life tables and the Kaplan-Meier procedures to estimate a survival curve when rates are not assumed to be constant over time and (possibly right-censored) time-to-event data are available. (edu.au)
Implement the life table and Kaplan-Meier procedures for estimating survival curves both manually and with the use of a computer. (edu.au)
Its main purpose is to evaluate the survival time of e.g. patients after surgery - the tools used here are life tables and Kaplan-Meier curves. (pqstat.pl)

Multivariable Cox regression models controlling for albumin and Eastern Cooperative Oncology Group performance status were used to investigate whether higher 25(OH)D levels were associated with prolonged survival. (nih.gov)
However, Cox proportional regression showed that tumour stage was the only factor that significantly influenced survival analysis after controlling for other factors. (who.int)
Univariate and multivariate Cox regression analyses were performed to identify parameters associated with PFS and OS. (snmjournals.org)
The effect of post-Cx% on survival outcomes adjusted for the types of chemotherapy and patient characteristics was evaluated by meta-regression. (deepdyve.com)
There are certain aspects of survival analysis data, such as censoring and non-normality, that generate great difficulty when trying to analyze the data using traditional statistical models such as multiple linear regression. (ucla.edu)
A number of methods (regression models) have also been developed to study the influence of various variables on survival time. (pqstat.pl)
While linear regression is an excellent tool for many applications, it doesn't fit naturally into the framework of survival analysis in general. (tagup.io)
We explored sources of heterogeneity through subgroup meta-analyses and meta-regression. (psu.edu)
A chi-square test was used to compare binary factors and a linear regression model was used for continuous metric analysis. (gatech.edu)

In a clinical study on patients with HER2 ( +) metastatic breast cancer, the results revealed a statistically significant difference between the median overall survival of those in the low and high TMB groups (44.9 months vs. 85.8 months) [ 13 ]. (biomedcentral.com)

Subgroup analysis showed that study design (prospective vs retrospective) had no significant impact (P = .10) on the outcomes. (bvsalud.org)
Results showed that the high IS HNSCC male patient subgroup exhibited improved survival. (biomedcentral.com)
In summary, we ascertained a HNSCC male patient subgroup that displayed high ISs and good survival probability. (biomedcentral.com)
Using publication bias evaluation, sensitivity analysis, and subgroup analysis, the origin of heterogeneity was further investigated. (biomedcentral.com)

A present study introduces survival analysis for patients with Colorectal cancer. (laurentian.ca)
Of the three, colorectal cancer had the lowest 5-year survival (47.6%) compared to breast (75.1%) and cervical (59.5%) during 2008-2012. (who.int)

The objective of this study is to conduct a retrospective analysis of the impact of generic immunosuppressants on short term acute rejection and long term patient and graft survival since the introduction of generic immunosuppressants. (nih.gov)
In this retrospective study of Stage IV CRC patients, we evaluate whether 25(OH)D levels at diagnosis correlate with survival. (nih.gov)
Multiple retrospective analysis of survival and evaluation of cardiac death predictors in a population of dogs affected by degenerative mitral valve disease in ACVIM class C treated with different therapeutic protocols / M. Bagardi, C. Locatelli, A.M. Zanaboni, A. Galizzi, D. Malchiodi, G. Brambilla Paola. (unimi.it)
Fluid overload before continuous hemofiltration and survival in critically ill children: a retrospective analysis. (qxmd.com)

We performed a meta-analysis to evaluate the prognostic significance of ADAM17 and its association with clinicopathological parameters. (nih.gov)
We therefore examined a large multicentre case series for the association of tumour EBV status with survival after gastric cancer diagnosis, accounting for surgical stage and other prognostic factors. (nih.gov)
Marital status is an independent prognostic factor of both perioperative and long-term survival in patients with PDAC. (nih.gov)
Median survivals for VHR ( n = 75), unfavorable ( n = 190) and favorable ( n = 737) risk categories were 1.2 (HR 3.8, 95% CI 2.9-4.9), 2.9 (HR 1.7, 95% CI 1.4-2.0) and 4.4 years and survival impact was independent of clinically derived prognostic systems, driver and ASXL1 / SRSF2 mutations. (nature.com)
This systematic review and meta-analysis were conducted to assess the prognostic value of TMB on survival of breast cancer. (biomedcentral.com)
Meta-analysis revealed that the prognostic relevance of TMB in breast cancer is limited in scope. (biomedcentral.com)

Demographics, recurrence free survival (RFS), and five-year overall survival (OS) rate were compared, and the clinical factors affecting survival were evaluated by univariate and multivariate analysis. (researchsquare.com)

Recurrence analysis. (jmp.com)
recurrence free rate 98.5% vs 92.7%, p = 0.4360 , and 5-year survival rate 98.6% vs 93.0%, p = 0.0892 , respectively). (researchsquare.com)
Some studies claim that it is safer to remove the ovaries, although preservation of the ovary generally does not affect patient recurrence or survival. (researchsquare.com)

Multivariate analysis adjusting for age, race, sex, stage, year of diagnosis, radiation therapy and cancer-directed surgery showed that patients who were married at the time of diagnosis had a significantly decreased risk of death at both 2 months (15% risk reduction) and 3 years (13% risk reduction) post diagnosis. (nih.gov)
Multivariate analysis showed that AnnArbor staging, IPI score, lactate dehydrogenase level, remission of disease, modified regimen were related with PFS and OS. (nature.com)
Multivariate analysis, adjusted for age, showed that the only variable that determined a statistically significant difference in MST was PH severity (HR 1.334, p=0.033). (unimi.it)

This example uses the Acute Myelogenous Leukemia survival data set "aml" from the "survival" package in R. The data set is from Miller (1997) and the question is whether the standard course of chemotherapy should be extended ('maintained') for additional cycles. (wikipedia.org)
The aml data set sorted by survival time is shown in the box. (wikipedia.org)
Because we only observe the user suspended time instead of the fraudulent activity time in the training data, we revise the loss function of the regular survival model to achieve fraud early detection. (aaai.org)
Currently, 2 statistical approaches are available for estimating conception probabilities depending upon the research question and extent of data collection during the menstrual cycle: a survival approach when interested in modeling time-to-pregnancy (TTP) in relation to women or couples' purported exposure(s), or a hierarchical Bayesian approach when one is interested in modeling day-specific conception probabilities during the estimated fertile window. (nih.gov)
Our data suggest that higher 25(OH)D levels are associated with better overall survival. (nih.gov)
2018 ) , the times of occurrence of four endpoints (overall survival, disease-specific survival, disease-free interval, or progression-free interval) for 11,160 patients across 33 cancer types were obtained from follow-up data files, with a view to making recommendations to clinicians regarding their patient's status. (r-bloggers.com)
Methods for the analysis of such survival data have long been known. (r-bloggers.com)
The most widely used extrapolation method was a standard parametric model (42/75), followed by spline models (6/75), external sources (3/75), cure models (3/75), only trial data (2/75), response-based analysis (1/75) and trial data/published sources (1/75). (ispor.org)
Other issues flagged by NICE included long extrapolation used despite median survival not being met or short follow-up-data (2/16), improper application of the hazard function/relative risk in OS analysis (2/16), trial issues including censoring (1/16), use of parametric models instead of observed data (1/16) and disregard of covariates (1/16). (ispor.org)
We examine how data collection cycles can affect the estimation of trajectories and their associations with survival. (bmj.com)
Results from analysis of annual data indicate that the mean physical functioning is significantly decreasing over time. (bmj.com)
Results from analysis of biennial and triennial data reveal similar trajectory patterns of physical functioning, but could not reveal the association between the change rate of physical functioning and mortality. (bmj.com)
Conclusion The impact of frequency of data collection depends on the shape of functional trajectories and its linking structure to survival outcome. (bmj.com)
This is the first study to examine the impact of data collection frequency on the estimations using joint models of longitudinal and survival data. (bmj.com)
However, in some meta-analyses and reviews, much of the patient data (34.9%) is too old records,[ 4 ] therefore, there is a risk of inaccurate medical records. (researchsquare.com)
Objective: To assess the influence of resection margins and adjuvant chemoradiotherapy or chemotherapy on survival for patients with pancreatic cancer by metaanalysis of individual data from randomized controlled trials. (eur.nl)
Study Selection: A meta-analysis of published randomized controlled trials and individual data. (eur.nl)
This subject presents methods for the analysis of data where outcome events occur over time, particularly in the context of a cohort study or more general longitudinal designs. (edu.au)
Halabi and colleagues conducted their analysis on pooled data from nine large studies that used the chemotherapy drug docetaxel, which is a standard therapy and is typically taken along with the steroid prednisone. (dukehealth.org)
Individual patient data network meta-analysis using either restricted mean survival time difference or hazard ratios: is there a difference? (biomedcentral.com)
This study aimed at applying the restricted mean survival time difference (rmstD) as an absolute outcome measure in a network meta-analysis and comparing the results with those obtained using hazard ratios (HR) from the individual patient data (IPD) network meta-analysis (NMA) on the role of chemotherapy for nasopharyngeal carcinoma (NPC) recently published by the MAC-NPC collaborative group (Meta-Analysis of Chemotherapy [CT] in NPC). (biomedcentral.com)
Similarly to pairwise meta-analysis, NMA uses logarithms (log) of hazard ratios (HR) as input data and outcome measure for survival analysis. (biomedcentral.com)
The analysis was performed on the real data and the results showed the semi-cox is superior compared with single cox, single AFT and semi-AFT models. (laurentian.ca)
We will be using a smaller and slightly modified version of the UIS data set from the book "Applied Survival Analysis" by Hosmer and Lemeshow. (ucla.edu)
Most data used in analyses have only right censoring. (ucla.edu)
Survival statistics now provide data on Irish cancer patients diagnosed between 1994 and 2011, followed up to the end of 2012. (ncri.ie)
Using SURVCAN data, in Thailand for example, regional differences in survival were also noted for three preventable cancer sites (cervical, breast and colorectal). (who.int)
Moreover, effective data were extracted from included studies and calculated pooled effects of hazard ratio (HR) for overall survival (OS) and progression-free survival (PFS) by STATA 16.0. (biomedcentral.com)

Leesburg, Virginia (PRWEB) August 25, 2015 -- A study published today in the September issue of the American Journal of Roentgenology finds that a combination of CT texture analysis of metastases, initial tumor size changes and serum biomarker lactate dehydrogenase is highly accurate in predicting the overall survival of patients with metastatic melanoma whose tumors fail to shrink significantly in response to bevacizumab therapy. (prweb.com)
We aimed to conduct the first comprehensive systematic review and meta-analysis on region, gender, tumor-biology and race-specific 5-year breast cancer survival rates in Africa and compared them to 20-year survival trends in the United States. (psu.edu)

Parametric survival models have not previously been applied to survival following a diagnosis of HIV/ AIDS in Australia. (who.int)
Longer delays between diagnosis and initial treatment were associated with worsened overall survival for stages I and II breast, lung, renal, and pancreas cancers, and stage II colorectal cancers, with increased risk of mortality of 1.2 percent to 3.2 percent per week of delay, adjusting for comorbidities and other variables. (bioquicknews.com)
For example, 5-year survival of rectal cancer increased by more than 13 percentage points during the 20-year study period in Denmark, Ireland and the U.K. Most of the international variations in survival were due to stage and age at diagnosis. (who.int)

A systematic literature review and meta-analysis of clinical studies that reported the survival rate and postoperative ZI complications for the rehabilitation of atrophic edentulous maxillae was conducted based on PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) recommendations. (bvsalud.org)

As well as providing significant extra information beyond that of a standard survival analysis, ignoring the presence of cures in an analysis can lead to biased and misleading conclusions, sometimes with profound consequences for diagnostic prognostications and evaluations. (r-bloggers.com)

RMST is defined as the mean survival time up to a prespecified time and corresponds graphically to the area under the survival curve. (biomedcentral.com)
August 30, 2023 In this article that appeared in a special issue in the Biometrical Journal, Chen et al describe how restricted mean survival time (RMST), an alternative representation of survival time, can be adapted to have clustering. (ushagovindarajulu.com)
July 5, 2023 The restricted mean survival time (RMST) is a concept that has been invented in survival analysis as an alternative to the hazards ratio, which can be difficult to interpret and also, as derived from Cox model, can have difficulty fitting into the. (ushagovindarajulu.com)

Another interesting aspect is the comparison of survival times e.g. survival times after different treatments - for this purpose methods of comparing 2 or more survival curves are used. (pqstat.pl)

Seven studies, including 1757 patients, were screened for the meta-analysis. (nih.gov)
This meta-analysis revealed that ADAM17 is a significant biomarker for poor prognosis in gastric cancer. (nih.gov)
Meta-analysis [ 14 ] and other research [ 4 , 5 , 15 , 16 ] on ovarian preservation surgery in young, premenopausal early stage endometrial cancer patients has produced conflicting results. (researchsquare.com)
Boku, Narikazu 2018-03-29 00:00:00 Purpose We conducted a systematic review and meta-analysis on survival impact of post-progression chemotherapy (post- Cx) after first-line chemotherapy (1st-Cx) and after second-line chemotherapy (2nd-Cx), and survival benefit of third-line chemotherapy (3rd-Cx) for advanced gastric cancer (AGC). (deepdyve.com)
Given the sensitivity of HR to non-proportional hazards, this finding could have implications in terms of meta-analysis methodology. (biomedcentral.com)
Technique-Related Survival Rate and Complications of Zygomatic Implant Placement: A Systematic Review and Meta-Analysis. (bvsalud.org)
A total of 35 studies were included in the meta-analysis . (bvsalud.org)
A meta-analysis of fifty-one factors gathered from over a thousand ALS patients who have visited the Emory ALS Center was performed to analyze the validity of CIM as a QOL measure. (gatech.edu)

In the current work, we have tried to predict the survival chances of HF sufferers using methods such as attribute selection (scoring method) & classifiers (machine learning). (techscience.com)
Methods We searched MEDLINE, EMBASE, and Cochrane Library to identify studies on breast cancer survival in African published before October 17, 2018. (psu.edu)

Assessment of the patient's reaction to survival, regardless of method of attempt, is important to identify risk of repeat attempts. (psychiatrist.com)
For classification of High-risk and low-risk or survival time prediction for the patient's analytic operation, Cox proportional hazards model (COX) and accelerated failure time model (AFT) have been universally embraced. (laurentian.ca)
Survival time - is the period of time between the initial state and the occurrence of a given event, e.g. the length of a patient's life after a heart transplantation. (pqstat.pl)
a complete observation - we know the date of the transplantation and the date of the patient's death so we can establish the exact survival time after the transplantation. (pqstat.pl)
observation censored on the right side - the date of the patient's death is not known (the patient is alive when the study finishes) so the exact survival time cannot be established. (pqstat.pl)
It can be the moment of losing touch with the patient (so we do not now the patient's survival time). (pqstat.pl)
Further research into the relationship between CIM, depression, physical health, and survival will allow for more accurate disease progression predictions and thus more suitable treatment plans that center around a patient's QOL. (gatech.edu)

ABSTRACT The 5-year survival rate of female breast cancer cases in Jordan and some of the factors that affected survival were measured. (who.int)

Stata 12.1 was used to perform statistical analyses. (nih.gov)
Statistical issues in survival analysis (Part XI) July 19, 2023 The authors, Ning et al, have proposed what they refer to as a "broad class" of "so called" Cox-Aalen transformation models which have elements of both multiplicative and additive covariate effects. (ushagovindarajulu.com)

This topic is called reliability theory or reliability analysis in engineering, duration analysis or duration modelling in economics, and event history analysis in sociology. (wikipedia.org)
In manufacturing, "reliability" analysis refers to an event like part failure. (jmp.com)
The engineering sciences have also contributed to the development of survival analysis which is called "reliability analysis" or "failure time analysis" in this field since the main focus is in modeling the time it takes for machines or electronic components to break down. (ucla.edu)
In other fields of study it is also called reliability analysis, duration analysis, or event history analysis. (pqstat.pl)

Marital status and survival in pancreatic cancer patients: a SEER based analysis. (nih.gov)

The MST (median survival time) of these subjects was 531 d (2001-2018) and 335.5 d (2010-2018), respectively. (unimi.it)

R. Sujatha, J. Moy Chatterjee, N. Jhanjhi, T. A. Tabbakh and Z. A. Almusaylim, "Heart failure patient survival analysis with multi kernel support vector machine," Intelligent Automation & Soft Computing , vol. 32, no.1, pp. 115-129, 2022. (techscience.com)

How do particular circumstances or characteristics increase or decrease the probability of survival? (wikipedia.org)
We studied the demographic characteristics and clinical presentation of patients with breast cancer and conducted survival analyses based on various factors. (who.int)
But when you compare the men based on similar characteristics that influence survival, the African-American men actually had a 19 percent lower risk for death than white men. (dukehealth.org)
They then took into consideration patient characteristics already known to affect survival in the analysis, including age, performance status such as ability to manage daily activities, prostate-specific antigen (PSA) levels, site of metastases and other factors. (dukehealth.org)

The latest trends report from the National Cancer Registry describes primary bone cancer incidence, treatment, mortality and survival. (ncri.ie)

The analysis shows that the measure has a positive but modest impact on the probability of survival of young businesses. (plan.be)

The current study expands on that limited analysis to show that all women (high-risk and inoperable) having TAVR in the PARTNER trial and registries had a lower long-term mortality rate than men," the authors write in their paper, published online February 23, 2016 in the Annals of Internal Medicine . (medscape.com)
The study represents the largest analysis of sex-specific outcomes in patients with severe aortic stenosis (AS) undergoing TAVR, with 1220 women and 1339 men (mean age 84.9 years and 84.1 years) from 25 sites, they note. (medscape.com)
The Working Paper presents a study or analysis conducted by the Federal Planning Bureau on its own initiative. (plan.be)
When we looked at the raw, median survival for white and African-American men in our study, it was equal, at about 21 months," Halabi said. (dukehealth.org)
observation censored on the left side - the date of the heart transplantation is not known but we know it was before this study started, and we cannot establish the exact survival time. (pqstat.pl)
The resulting changes over time in the actual use of the drug at study imply that the conventional ITT analyses reliance on both: (a) time-invariant exposure, defined by randomization groups, and (b) assumption of a constant-over-time treatment effect, underlying the very popular proportional hazards model [ 12 ], is questionable. (biomedcentral.com)
Study reveals that the role of healthcare providers and socio-economic status in survival of men with prostate cancer could give rise to concerns that warrant further investigation. (ncri.ie)
In 1985 [ 6 ], a small study of 28 patients was unable to demonstrate a survival difference between normal and abnormal karyotype. (nature.com)
A previous small study suggested that survival was associated with less percent fluid overload (%FO) in the intensive care unit (ICU) before hemofiltration. (qxmd.com)
The SURVMARK-2 study showed marked improvements in cancer survival over time and across countries. (who.int)
This study proposes a new metric for QOL analysis gathered from qualitative physician remarks on patient mood in the clinical setting, referred to as clinic impression of mood (CIM). (gatech.edu)
The results of this study demonstrate a strong relationship between CIM and survival duration. (gatech.edu)

Survival analysis is a branch of statistics for analyzing the expected duration of time until one event occurs, such as death in biological organisms and failure in mechanical systems. (wikipedia.org)
Survival analysis attempts to answer certain questions, such as what is the proportion of a population which will survive past a certain time? (wikipedia.org)
In the case of biological survival, death is unambiguous, but for mechanical reliability, failure may not be well-defined, for there may well be mechanical systems in which failure is partial, a matter of degree, or not otherwise localized in time. (wikipedia.org)
Censoring / Censored observation: Censoring occurs when we have some information about individual survival time, but we do not know the survival time exactly. (wikipedia.org)
Survival function S(t): The probability that a subject survives longer than time t. (wikipedia.org)
In this paper, we propose a survival analysis based fraud early detection model, SAFE, which maps dynamic user activities to survival probabilities that are guaranteed to be monotonically decreasing along time. (aaai.org)
Reliability and survival estimation analysis are two invaluable strategiesfor estimating time to an event that can help dramatically improve processes across a wide range of industries. (jmp.com)
Subsequently, the utility of the AFT model for the survival time forecasting is restricted when such natural contrasts of the maladies have not been properly distinguished. (laurentian.ca)
Survival analysis is just another name for time to event analysis. (ucla.edu)
The term survival analysis is predominately used in biomedical sciences where the interest is in observing time to death either of patients or of laboratory animals. (ucla.edu)
Time to event analysis has also been used widely in the social sciences where interest is on analyzing time to events such as job changes, marriage, birth of children and so forth. (ucla.edu)
The point of survival analysis is to follow subjects over time and observe at which point in time they experience the event of interest. (ucla.edu)
Its main goal is to evaluate the remaining time of the survival of, for example, patients after an operation. (pqstat.pl)
In the analysis one column with the calculated time ought to be marked. (pqstat.pl)
When we have at our disposal two points in time: the initial and the final ones, before the analysis we calculate the time between the two points, using the datasheet formulas. (pqstat.pl)
Censored observations - are the observations for which we only have incomplete pieces of information about the survival time. (pqstat.pl)
cumulative survival proportion (survival function) - the probability of surviving over a given period of time. (pqstat.pl)
Because to survive another period of time, one must have survived all the previous ones, the probability is calculated as the product of all the previous proportions of the survival cases. (pqstat.pl)
In the case of a lack of complete observations in any range of survival time range there is the possibility of using correction. (pqstat.pl)
Median survival time (MST) was calculated. (unimi.it)
All time-varying analyses, regardless of the exposure metric used, consistently suggested protective effects of higher cumulative bevacizumab doses. (biomedcentral.com)

Higher levels were associated with prolonged survival in categorical variable analysis: adequate vs. deficient, hazard ratio = 0.61, 95% confidence interval = 0.38-0.98, P = 0.041. (nih.gov)

Celebrate turtles and tortoises with us by wearing Turtle Survival Alliance's 2023 World Turtle Day® apparel. (turtlesurvival.org)

secondary endpoints were progression-free survival and locoregional control. (biomedcentral.com)

Maintenance of the immunosuppressive balance is critical for allograft patency, minimization of adverse effects, and ultimately long-term survival of solid organ transplant recipients. (nih.gov)

Target lesions on baseline and initial post-therapy contrast-enhanced CT examinations were evaluated by CT texture analysis before and after image filtering in patients with stable disease per Response Evaluation Criteria in Solid Tumors (RECIST) on initial post-therapy images. (prweb.com)

The International Cancer Benchmarking Partnership (ICBP) SURVMARK-2 is a global, multidisciplinary partnership of clinicians, academics, and policy makers seeking to understand how and why cancer survival differs across countries that have high-quality cancer registries and universal access to, and comparable expenditure on, health care. (who.int)

Weighted Spearman's cor - relation coefficients between post-Cx% and survival outcomes (mOS and mPPS) were calculated. (deepdyve.com)

As the sixth most common cancer worldwide, head and neck squamous cell carcinoma (HNSCC) develops visceral metastases during the advanced stage of the disease and exhibits a low five-year survival rate. (biomedcentral.com)

In-depth studies also highlighted differences in survival by histological subtypes. (who.int)

Future studies are needed to assess the impact of these factors to further our understanding of international disparities in cancer survival. (who.int)
Conclusion Regional, sub-regional, gender, and racial disparities exist, influencing the survival rates of breast cancer in Africa. (psu.edu)

The progression-free survival (PFS) was 28.4 mo in the 177 Lu-DOTATATE group and 8.4 mo in the control group. (snmjournals.org)

Complementing the main ITT analysis of maintenance trials with an analysis of potential cumulative effects of treatment actually taken can provide new insights, but the results must be interpreted with caution because they do not benefit from the randomization. (biomedcentral.com)

The SURVCAN expands the work on SURVMARK to provide benchmarking of survival estimates in low and middle income countries (LMICs). (who.int)

6 ] However, surgical menopause caused by removing the ovaries can induce other complications, such as hot flushes, night sweats, vaginal dryness, insomnia, osteoporosis, cardiovascular problem, sexual dysfunction, and cognitive problems that can affect survival and quality of life. (researchsquare.com)

The other important concept in survival analysis is the hazard rate. (ucla.edu)

Experimental results on two real world datasets demonstrate that SAFE outperforms both the survival analysis model and recurrent neural network model alone as well as state-of-theart fraud early detection approaches. (aaai.org)
The results of this analysis suggest there might be biological variations in either the disease or response to treatments that should be further explored," Halabi said. (dukehealth.org)

DURHAM, N.C. -- Contrary to current perceptions, certain African-American men with advanced prostate cancer have as good a chance of survival as white men and might actually have a small advantage, according to a new analysis of more than 8,000 patients who participated in clinical trials. (dukehealth.org)

We propose a biologically valid discrete survival model that unifies the above 2 approaches while relaxing some assumptions that may not be consistent with human reproduction or behavior. (nih.gov)

Xintao Wu SAFE: A Neural Survival Analysis Model for Fraud Early Detection Proceedings of the AAAI Conference on Artificial Intelligence, 33 (2019) 1278-1285. (aaai.org)
This approach combines both the survival and the hierarchical models allowing investigators to obtain the distribution of TTP and day-specific probabilities during the fertile window in a single model. (nih.gov)
The mixture cure model in survival analysis has received large and growing attention in the last few decades. (r-bloggers.com)
We also delved into the useful statistics that can be extracted from this seemingly simple model using the tools of survival analysis. (tagup.io)

Anatomy3

Diseases69

Chemicals and Drugs57

Analytical, Diagnostic and Therapeutic Techniques and Equipment95

Phenomena and Processes17

Disciplines and Occupations1

Anthropology, Education, Sociology and Social Phenomena2

Humanities1

Information Science8

Named Groups2

Health Care49

Geographicals6

Kaplan-Meier7

Regression9

Median overall survival1

Subgroup4

Colorectal cancer2

Retrospective4

Prognostic6

Univariate1

Recurrence3

Multivariate analysis3

Data28

Tumor2

Diagnosis3

Systematic Reviews1

Conclusions1

Mean survival time3

Curves1

Meta-Analysis8

Methods2

Patient's7

ABSTRACT1

Statistical2

Reliability analysis4

Pancreatic cancer1

20181

20221

Characteristics4

Mortality and survival1

Probability of survival1

Study12

Time21

Categorical1

20231

Endpoints1

Long-term survival1

Tumors1

Cancer Registries1

Outcomes1

Squamous1

Subtypes1

Disparities2

Progression-free1

Cumulative1

ESTIMATES1

Affect survival1

Hazard rate1

Results2

Clinical trials1

Behavior1

Model4