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	Test Log-Rank per il Confronto di Curve di Sopravvivenza	Regressione di Sopravvivenza Parametrica di Weibull
Campo	Analisi di sopravvivenza	Analisi di sopravvivenza
Famiglia	Survival analysis	Survival analysis
Anno di origine	1966	1951
Ideatore	Mantel, N.	Waloddi Weibull
Tipo	Non-parametric hypothesis test	Fully parametric survival regression model
Fonte seminale	Mantel, N. (1966). Evaluation of Survival Data and Two New Rank Order Statistics Arising in Its Consideration. Cancer Chemotherapy Reports, 50(3), 163–170.	Kalbfleisch, J. D. & Prentice, R. L. (2002). The Statistical Analysis of Failure Time Data (2nd ed.). Wiley.
Alias	Mantel log-rank test, Mantel-Cox test, log-rank sağkalım testi, Log-Rank Testi	weibull aft model, weibull survival model, parametric survival regression, Weibull Regresyonu — Parametrik Hayatta Kalma
Correlati	2	4
Sintesi	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.	Weibull regression is a fully parametric survival model, formalised by Kalbfleisch and Prentice, that assumes survival times follow a Weibull distribution. A shape parameter controls whether the hazard increases, decreases, or remains constant over time, while covariates shift the scale of the distribution to express how predictors affect survival.