השוואת שיטות

	מודל ריפוי תערובת	מבחן לוג-רנְק להשוואת עקומות הישרדות
תחום	הישרדות	הישרדות
משפחה	Survival analysis	Survival analysis
שנת המקור	1949	1966
הוגה השיטה	Boag, J. W.	Mantel, N.
סוג	Parametric mixture survival model	Non-parametric hypothesis test
מקור מכונן	Boag, J. W. (1949). Maximum Likelihood Estimates of the Proportion of Patients Cured. Journal of the Royal Statistical Society B, 11(1), 15–53.	Mantel, N. (1966). Evaluation of Survival Data and Two New Rank Order Statistics Arising in Its Consideration. Cancer Chemotherapy Reports, 50(3), 163–170.
כינויים	cure fraction model, cure rate model, bounded cumulative hazard model, İyileşme Modeli (Mixture Cure Model)	Mantel log-rank test, Mantel-Cox test, log-rank sağkalım testi, Log-Rank Testi
קשורות	2	2
תקציר	The mixture cure model, first proposed by Boag in 1949 for cancer survival data, is a parametric survival model that explicitly accounts for a fraction of subjects who will never experience the event of interest — the so-called cured or immune fraction. It is the appropriate tool whenever the Kaplan-Meier curve levels off into a long, stable plateau rather than continuing to decline, indicating that a proportion of subjects are permanently event-free.	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.