C-Reactive ProteinBiological MarkersInflammationRisk FactorsSerumNephelometry and TurbidimetryInterleukin-6Blood SedimentationProspective StudiesPredictive Value of TestsInflammation MediatorsSerum AlbuminPrognosisCross-Sectional StudiesSeverity of Illness IndexBody Mass IndexMultivariate AnalysisLeukocyte CountCohort StudiesCase-Control StudiesFollow-Up StudiesTime FactorsCardiovascular DiseasesEnzyme-Linked Immunosorbent AssayRenal DialysisJapanArthritis, RheumatoidRetrospective StudiesDisease ProgressionSensitivity and SpecificityAcute-Phase ReactionCalcitoninTreatment OutcomePolymorphism, Single Nucleotide