Method for survival kaplan meier estimate. Medical search. Frequent questions

Risk factors for RP recurrence were analysed using a Cox proportional hazards model, and Kaplan-Meier survival curves were drawn. (springer.com)
Survival analysis used the date of diagnosis as the reference for the construction of Kaplan-Meier curves. (biomedcentral.com)
Kaplan-Meier method was used to estimate the survival curves in the LGE+ and LGE− groups. (myguitarsolo.com)
Survival analysis was conducted using Kaplan-Meier curves, and multivariate Cox regression analysis. (who.int)

According to multivariate analysis and propensity score-matching, eculizumab treatment was not associated with survival. (cdc.gov)
Factors associated with survival were assessed with univariate and multivariate analyses, using the Cox regression model. (snmjournals.org)
For survival outcomes potential associations were assessed in univariate and multivariate analyses using the Cox proportional hazards model. (cun.es)
Kaplan-Meier survival estimates and multivariate analysis was performed using STATA. (ima.org.il)
Survival outcomes (disease-free survival [DFS] and overall survival [OS]) were estimated using Kaplan-Meier and multivariate analysis. (jnccn.org)
001) according to Kaplan-Meier analysis, which remained significant on univariate and multivariate analyses. (jnccn.org)
Perivascular PDGFR-α and -β remained independent factors for survival in multivariate analyses.Overall, our study identified host vasculature and oncogenic status as determinants of tumor perivascular features. (lu.se)

The Nelson-Aalen estimator is directly related to the Kaplan-Meier estimator and both maximize the empirical likelihood. (wikipedia.org)
I am reading a paper which estimates the survival function with a nonparametric estimator (e.g. (stackexchange.com)
The survival probability was estimated using the Kaplan-Meier estimator. (who.int)

Application to survival analysis (Nelson-Aalen and Kaplan-Meier estimators). (lu.se)

Patients with solitary bone metastasis from RCC reportedly have the best prognosis, with a 5 year-survival rate between 35% and 60% [ 8 ]. (biomedcentral.com)
Cancer survival reported from both patient prognosis or survival. (who.int)

Truncating mutations in the chromatin remodeler ASXL1 (ASXL1 MT ) are associated with a high-risk disease phenotype with increased proliferation, epigenetic therapeutic resistance, and poor survival outcomes. (nature.com)
These factors may not fully explain the different survival outcomes in each of the four regions within the same state. (biomedcentral.com)
In patients with breast cancer receiving adjuvant 5-fluorouracil/epirubicin/cyclophosphamide followed by docetaxel (FEC-D), we evaluated the impact of chemotherapy total cumulative dose (TCD), and early (FEC) versus late (D only) dose reductions, on survival outcomes. (jnccn.org)
The aim of this retrospective study is to investigate therapeutic patterns and survival outcomes for a cohort of older NPC patients receiving radiation therapy (RT) with or without chemotherapy (CT). (jcancer.org)

Local control (LC), overall survival (OS) and disease-free survival (DFS) were estimated using Kaplan-Meier methods. (cun.es)

In LG&E Energy Corp., LG&E Capital Corp. and LG&E International Inc. v. Argentine Republic, ICSID Case No. Univariate Cox proportional hazard model was used to assess the relationship between covariates and the survival in the entire study group and in the LGE+ group. (myguitarsolo.com)
Kaplan-Meier estimates of survival and the Cox proportional hazards model were used to identify independent predictors of all-cause-mortality. (unipi.it)
However, Cox proportional regression showed that tumour stage was the only factor that significantly influenced survival analysis after controlling for other factors. (who.int)

0.001) and tumor-free resection margins (p = 0.028) predicted higher survival. (biomedcentral.com)

the inverse probability of censoring weighting (IPCW) and the rank-preserving structural failure time (RPSFT) models both allow construction of a pseudo-placebo group, thereby allowing for long-term survival evaluation of patients with PH-ILD receiving inhaled treprostinil. (bmj.com)
Furthermore, the probability of superior stability and the pairwise probability of superior stability across environments is estimated. (eddelbuettel.com)
The loss-adjusted survival results are that those lost to follow-up in specific prognostic compared with the crude actuarial estimate to stratum have the same probability of death as others demonstrate the magnitude of bias. (who.int)
Now the question arises whether such tx improves the survival probability, and an ongoing study is hoped to answer that question. (lu.se)
We have instead studied three alternative methods: one using the concept Inverse Probability Weighting (originally constructed by Robins), and two which, at least we believe so, are our own, viz. (lu.se)

For competing-risk survival analysis, cause-specific hazards or Fine-Gray model is recommended 12 . (nature.com)

This study evaluates the effect of TB on the mortality rate, survival time, and predictors of survival in patients with AIDS living in different areas in São Paulo State (SPS). (biomedcentral.com)
Our results indicate that mdm2/p53 co-overexpression, nuclear grade, and preoperative presence of distant metastasis are independent predictors for poor survival. (aacrjournals.org)
The objectives of the present study were to assess survival and to identify predictors of mortality in COVID-19 patients at Kinshasa University Hospital.Methods: a retrospective cohort study was conducted, 141 COVID-19 patients admitted at the Kinshasa University Hospital from March 23 to June 15, 2020 were included in the study. (bvsalud.org)

Mortality rates were estimated by person-years. (biomedcentral.com)
We estimated all-cause survival using the Kaplan-Meier method, crude mortality rates and hazard ratios (HRs) using. (lu.se)
This analysis describes mortality in the KHDSS over 16 years.Methods: We calculated mortality rates from 2003-2018 in four intervals of equal duration and assessed differences in mortality across these intervals by age and sex. (kemri-wellcome.org)
We estimated trend and seasonality by decomposing a time series of monthly mortality rates. (kemri-wellcome.org)

Objectives: To conduct the first-ever nationwide, population-based cohort study investigating survival patterns of all patients with incident SSc in Sweden compared with matched individuals from the Swedish general population. (lu.se)
METHODS: Study design was the observational multicentre retrospective cohort study. (bvsalud.org)
METHODS: This was a retrospective, observational single centre cohort study carried out between 2012 and 2022 at a tertiary hospital. (lu.se)
ABSTRACT A retrospective cohort study was conducted to determine the 5-year survival and prog- nostic factors for survival for 407 oropharyngeal cancer cases registered in the 3 main hospitals in Alexandria, Egypt, from 1996-2000. (who.int)

Higher miR-133a expression in tumor tissues was associated with development of distant metastasis, advanced Dukes and TNM staging, and poor survival. (hindawi.com)
Owing to the longer survival of patients with solitary bone metastasis, a number of authors recommend a surgical approach with curative intent and implant stabilization to prevent local disease progression [ 7 - 11 ]. (biomedcentral.com)

RESULTS: The differences in cumulative survival rates between TNM I and TNM IIa, between TNM IIa and TNM IIb and between TNM IIb and TNM III patients were 20.2% (37.2 vs. 46.6), 27.5% (46.6 vs. 33.8) and 60.7% (33.8 vs. 13.3), respectively, and were not statistically significant (P = 0.58, P = 0.53 and P = 0.18). (medscimonit.com)
Results Graft survival of the 502 keratoconus eyes was 96.7 at 10 years and 95.6% at 20 years. (bmj.com)
To our surprise the first two of these three methods turned out to give identical results. (lu.se)

I calculated a survival function with the weibullfitter method from lifelines in python for one dataset that was provided and calculated the error with respect to the nonparametric estimation, but I got higher errors, so that's probably not what they are doing. (stackexchange.com)
Important applications can be found in e.g. survival analysis, nonparametric methods for estimating densities, regression functions and spectral densities. (lu.se)

Although the survival rates of patients with relapsing polychondritis (RP) have increased remarkably, the high recurrence rate remains a significant concern for physicians and patients. (springer.com)
Gender, location of metastases, time between diagnosis of renal cell carcinoma and treatment of metastatic disease, incidence of local recurrence, radiation and chemotherapy did not influence survival. (biomedcentral.com)
Perioperative variables collected were age and gender of the patient, type of surgery, complications, time period after first diagnosis of RCC and after onset of symptoms, metastatic pattern, location of metastases, incidence of pathologic fracture and local recurrence and time of survival. (biomedcentral.com)

Empirical Likelihood Method in Survival Analysis (1st ed. (wikipedia.org)
account for weak convergence on general function spaces · account for the basic properties of empirical processes, and the Donsker's and Glivenko-Cantelli theorems · account for functional differentiability of statistical functionals, as well as applications to limit distributions of statistical functionals, and applications in survival analysis. (lu.se)

Methods From the claims database of Taiwan National Health Insurance, we identified 6164 adult patients with newly diagnosed SCI with permanent functional disability from 2000 to 2015 and followed them until the end of 2016. (bmj.com)
METHODS: From June 2016 to February 2020, all patients submitted to elective VASLB for suspected ILD were included. (bvsalud.org)
The 2017-18 flu season estimates were compared with 2016-17 flu season estimates. (cdc.gov)

To describe oncological patterns of care, prognostic factors, and survival for all patients in France with newly-diagnosed and histologically confirmed glioblastoma, and evaluate the impact of extended temozolomide use at the population level. (springer.com)
This work is requested by the French government and describes the oncological patterns of care, prognostic factors, and survival for all patients with newly-diagnosed and histologically confirmed GBM, for a country with more than 60 million inhabitants. (springer.com)
Loss-adjusted survival is estimated under the assumption that survival of patients lost to follow-up is the same as that for patients with known follow-up time and similar characteristics of different prognostic factors at first entry. (who.int)
Hence, this correlation, explained by independent of the length of follow-up of an information on prognostic factors, can be utilized to individual patient, so that even recently diagnosed correct survival estimates. (who.int)

Treatment of early-stage breast cancer with adjuvant chemotherapy has improved survival. (jnccn.org)
Surgery is the primary treatment of skeletal metastases from renal cell carcinoma, because radiation and chemotherapy frequently are not effecting the survival. (biomedcentral.com)
As radiation and chemotherapy are ineffective in most patients, surgery is a better option to achieve local tumor control and increase the survival. (biomedcentral.com)

In univariate analysis, there was a statistically significant correlation between p53 and mdm2 overexpression in the same tumor and poor survival( P = 0.00179). (aacrjournals.org)

85% for adjuvant FEC-D affects breast cancer survival. (jnccn.org)

The potential for miRNAs as epigenetic biomarkers has long been recognized as a noninvasive method for early CRC detection to enable more effective therapeutic intervention and evaluation of survival [ 8 ]. (hindawi.com)

We describe trends in lung transplantation, summarize recipient characteristics, and estimate median survival using the Kaplan-Meier method. (cdc.gov)
Twenty-one recipients were deceased as of December 31, 2014, and median survival was 3.7 years. (cdc.gov)
We calculated the period survival function and median survival using the Kaplan-Meier method and mean life expectancies using abridged life tables. (kemri-wellcome.org)

Bootstrap methods. (lu.se)

Perivascular heterogeneity in clinical samples, and associations with other tumor features and outcome, remain largely unknown.Here we report a novel method for digital quantitative analyses of vessel characteristics and PC, which was applied to two collections of human metastatic colorectal cancer (mCRC).Initial analyses identified marker-defined subsets of PC, including cells expressing PDGFR-β or α-SMA or both markers. (lu.se)

0.3 ng/ml improves progression-free survival. (ima.org.il)

The cumulative survival rates were calculated using the Kaplan-Meier method. (medscimonit.com)
The cumulative survival rates for TNM III and TNM IV patients were similar (13.3 and 14.3). (medscimonit.com)
The difference in cumulative survival rates between Dukes' A and B patients amounted to 52.5% (54.3 vs. 25.8), which was statistically significant (P = 0.02). (medscimonit.com)
The difference in cumulative survival rates between Dukes' B and C patients was 41.5% (25.8 vs. 15.1), but fell short of statistical significance (P = 0.12). (medscimonit.com)
The cumulative survival rates for Dukes' C and D patients were similar (15.1 and 16.6). (medscimonit.com)
In most low- or medium- settings may have different perspectives, but resource countries, such losses are common due to estimation of survival rates is routinely done using deficiencies in health infrastructure and recording of standard life table approaches such as the actuarial health statistics. (who.int)

Can somebody help me with which method is used to estimate the Weibull parameters and how (or if you even can) calculate the error for the Weibull estimation? (stackexchange.com)
In the from hospital-based and population-based registry estimation of loss-adjusted survival, it is assumed settings. (who.int)
Estimation of the actual survival is a straight-forward KM (Kaplan-Meier) problem. (lu.se)

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)
Kaplan-Meier analysis estimated the 30 day survival rate to be 98% (95% confidence interval [CI] 96 - 100), the one year survival rate to be 88% (95% CI 83.4 - 92.6), and the three year survival rate to be 79% (95% CI 72.7 - 84.7). (lu.se)

Objective A post-hoc analysis of the INCREASE trial and its open-label extension (OLE) was performed to evaluate whether inhaled treprostinil has a long-term survival benefit in patients with pulmonary hypertension associated with interstitial lung disease (PH-ILD). (bmj.com)
Conclusion Two independent modelling techniques that have been employed in the oncology literature both suggest a long-term survival benefit associated with inhaled treprostinil treatment in patients with PH-ILD. (bmj.com)
patients contribute to long-term survival. (who.int)

RÉSUMÉ Le taux de survie à cinq ans chez les femmes atteintes d'un cancer du sein en Jordanie et certains des facteurs ayant eu une influence sur la survie ont été mesurés. (who.int)
L'analyse de survie a été réalisée à l'aide des courbes de Kaplan-Meier et du modèle de régression multivariée de Cox. (who.int)

Methods and analysis This study is a multicentre, parallel group, open label, randomised controlled trial. (bmj.com)
The aim of this study was to identify clinical, pathological and surgical factors that are associated with better survival of patients after surgical treatment of skeletal metastases from RCC. (biomedcentral.com)

It is used in survival theory, reliability engineering and life insurance to estimate the cumulative number of expected events. (wikipedia.org)
Flu vaccination coverage estimates were calculated using Kaplan-Meier survival analysis to determine the cumulative flu vaccination coverage (≥1 dose) during July 2017 through May 2018 using monthly interview data collected September 2017 through June 2018. (cdc.gov)

Progression-free survival was estimated by the Kaplan-Meier method and compared using the one-sided stratified log-rank test. (ascopost.com)
Three-year progression-free survival was 87% for the phase II cohort. (ascopost.com)

Researchers estimate that the global prevalence of STEC infection is ≈43.1 acute illnesses/100,000 person-years, causing ≈3,890 annual cases of STEC-associated HUS ( 4 ). (cdc.gov)
The impact of TB on survival of AIDS was heterogeneous, and affected by age, years of formal education, early AIDS diagnosis, and proper ARV treatment. (biomedcentral.com)
Methods: We included 886 participants older than 55 years (645 men and 241 women). (unav.edu)
Methods A total of 51 Spanish girls (age 7-16 years) with abdominal obesity underwent 8 weeks of a multidisciplinary intervention for weight loss. (unav.edu)
2 ) The Centers for Disease Control and Prevention (CDC) analyzed data from the Behavioral Risk Factor Surveillance System (BRFSS) to estimate flu vaccination coverage for the U.S. population of adults aged ≥18 years during the 2017-18 flu season. (cdc.gov)
For this report, CDC analyzed data from BRFSS for adults aged ≥18 years to estimate flu vaccination coverage from the 2017-18 flu season. (cdc.gov)

Deep anterior lamellar keratoplasty (DALK) and penetrating keratoplasty (PK) provide high mid-term graft survival and visual recovery in keratoconus eyes. (bmj.com)
Both techniques provide high 20-year graft survival and good visual recovery. (bmj.com)

Data is lacking on the natural history, response to therapy and survival of patients diagnosed with precapillary pulmonary hypertension (PH) with mild or borderline elevation of PVR. (ersjournals.com)

Conclusions DALK featuring higher endothelial survival and lower risk of postoperative ocular hypertension may be superior to PK when indicated for keratoconus. (bmj.com)
However, DALK features dramatically higher long-term endothelial survival and a lower risk of postoperative ocular hypertension compared with PK. (bmj.com)

Surveillance for HCC is recommended for high-risk groups in order to facilitate early detection and improve survival 3 . (nature.com)
Secondary prevention of oral cancers can be conducted through examination of the oral cavity to find precancerous and early cancerous lesions and hence improve survival. (who.int)

Conclusion: Despite advances in understanding the disease and in diagnostic methods over the past decades, survival is still severely impacted in Swedish patients diagnosed with SSc between 2004 and 2015. (lu.se)

Methods: Using data from the United Network for Organ Sharing, we identified U.S. patients with a primary diagnosis of CWP or pneumoconiosis unspecified, receiving lung transplants during December 31, 1995 - December 31, 2014. (cdc.gov)
Awake video-assisted surgical lung biopsy (Awake-VASLB) has been proposed as a method to obtain a precise diagnosis in several different thoracic diseases. (bvsalud.org)

9 , 10 The underlying causes of the shorter survival of these patients have remained unclear so far, resulting in uncertainty whether treatment approaches in patients with CLL and comorbidity should focus on the prevention of therapy-related morbidity and mortality or whether the potential loss of disease control associated with such a strategy will offset its net benefits by increasing disease-related morbidity and mortality. (haematologica.org)
Cancer survival is the main indicator of outcome of who have a potential follow-up shorter than the time cancer health services or treatment, and an of the maximum estimated survival are 'censored' important component in maintaining cancer control cases. (who.int)

Background Recent studies have associated several microRNAs (miRNAs) with childhood obesity and energy homeostasis, suggesting that an individual miRNA profile could be used as an early predictor to estimate the response to weight loss interventions in the design of precision nutrition. (unav.edu)

These data suggest survival in patients undergoing lung transplantation for CWP may be lower than for patients with other indications, and further characterization is warranted. (cdc.gov)
If you choose to use the MSE survival/reliability criterion for that type of Weibull modeling, you would then fit a Weibull model on each 'training' set (held-in cases in CV, bootstrap sample in bootstrap) and calculate the MSE against the corresponding KM curve of the 'test' set (held-out cases in CV, entire data set in bootstrap). (stackexchange.com)
Traditional survival analysis and specific death analysis were performed separately on the data. (bvsalud.org)
Preliminary estimates from other data sources do not show decreases in flu vaccination coverage. (cdc.gov)
3 ) BRFSS data were collected from September 2017 through June 2018 from all 50 states to estimate vaccination coverage for vaccines administered from July 2017 through May 2018. (cdc.gov)
Cancer registries have long served as surviving at date of last follow-up: this date can be potential sources of data for estimating survival. (who.int)
3. Data Collection--methods--United States. (cdc.gov)

METHODS: Analysis included 150 SCORE2 Month 60 completers classified into three groups: discontinued treatment early, treated intermittently, and treated continuously. (mdfoundation.com.au)
First, we are interested in Epstein Barr Virus-mediated mechanisms of immune evasion with particular emphasis on pathways that promote survival and proliferation of EBV B cell lymphomas, the characterization of the human T cell and NK cell response to EBV and the identification of novel therapeutics for treatment of EBV B cell lymphomas. (stanford.edu)
One paper has shown the dissemination of RT-temozolomide combination as the treatment standard across countries, and a modest survival gain at the population level [ 17 ]. (springer.com)
We therefore explored factors potentially affecting the survival of patients after surgical treatment. (biomedcentral.com)

Standard methods, such as the actuarial one, are then applied with the sum of observed and expected outcome events. (who.int)
The primary outcome was survival at the last available follow. (lu.se)

The differences in survival between the patients in particular stages of both classifications were estimated with the log-rank test. (medscimonit.com)
So you just take the average of squared differences between observed (KM) and modeled survival values over a set of time points. (stackexchange.com)

MATERIAL/METHODS: The pathological staging was determined according to the TNM and Dukes' classification. (medscimonit.com)

Anatomy6

Organisms9

Diseases41

Chemicals and Drugs29

Analytical, Diagnostic and Therapeutic Techniques and Equipment98

Psychiatry and Psychology1

Phenomena and Processes48

Disciplines and Occupations5

Anthropology, Education, Sociology and Social Phenomena9

Humanities1

Information Science20

Named Groups4

Health Care78

Geographicals7

Curves4

Multivariate7

Estimator3

Nelson-Aalen1

Prognosis2

Outcomes4

Disease-free survival1

Proportional3

0.0011

Probability5

Hazards1

Predictors3

Mortality rates4

Cohort study4

Metastasis2

Results3

Nonparametric2

Recurrence3

Empirical2

20163

Prognostic factors4

Chemotherapy3

Poor survival1

Adjuvant1

Therapeutic1

Median survival3

Bootstrap methods1

Characteristics1

Improves1

Rates6

Estimation3

Year-survival rate2

Long-term survival3

Survie2

Study2

Cumulative2

Progression2

Years6

Graft2

Pulmonary hypertension1

Postoperative2

Improve survival2

Patients diagnosed1

Diagnosis2

Shorter2

Predictor1

Data7

Treatment4

Outcome2

Differences2

Dukes1