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Accelerated Failure Time (AFT) Model×Kaplan-Meier Overlevingsschatter×Log-rang-test voor het vergelijken van overlevingscurven×
VakgebiedOverlevingsanalyseOverlevingsanalyseOverlevingsanalyse
FamilieSurvival analysisSurvival analysisSurvival analysis
Jaar van ontstaan199219581966
GrondleggerWei, L. J. (seminal review 1992); origins in parametric survival literatureKaplan, E. L. & Meier, P.Mantel, N.
TypeParametric survival regression modelNon-parametric survival estimatorNon-parametric hypothesis test
Oorspronkelijke bronWei, L. J. (1992). The Accelerated Failure Time Model: A Useful Alternative to the Cox Regression Model in Survival Analysis. Statistics in Medicine, 11(14–15), 1871–1879. DOI ↗Kaplan, E. L. & Meier, P. (1958). Nonparametric Estimation from Incomplete Observations. Journal of the American Statistical Association, 53(282), 457–481. DOI ↗Mantel, N. (1966). Evaluation of Survival Data and Two New Rank Order Statistics Arising in Its Consideration. Cancer Chemotherapy Reports, 50(3), 163–170. link ↗
AliassenAFT model, parametric survival regression, Hızlandırılmış Başarısızlık Zamanı Modeli (AFT)product-limit estimator, km curve, kaplan-meier sağkalım analiziMantel log-rank test, Mantel-Cox test, log-rank sağkalım testi, Log-Rank Testi
Verwant322
SamenvattingThe Accelerated Failure Time model is a parametric regression approach to survival analysis — formally reviewed and advocated by L. J. Wei in 1992 — in which covariates act as multiplicative factors that directly stretch or compress the time-to-event scale. Unlike the Cox proportional-hazards model, which models how covariates shift the hazard rate, AFT models express the covariate effect as an acceleration or deceleration of the time axis itself.The Kaplan-Meier estimator, introduced by Kaplan and Meier in 1958, is a non-parametric method that estimates the survival curve — the probability of remaining event-free over time — from right-censored time-to-event data. The log-rank test is the companion procedure used to compare survival curves between groups.The log-rank test, developed by Nathan Mantel in 1966, is a non-parametric hypothesis test that compares the overall survival experience of two or more groups throughout the entire follow-up period. It is the standard companion to Kaplan-Meier curves and determines whether observed differences between curves are statistically meaningful.
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ScholarGateMethoden vergelijken: Accelerated Failure Time Model · Kaplan-Meier · Log-Rank Test. Geraadpleegd op 2026-06-19 via https://scholargate.app/nl/compare