نتایج جستجو برای: haenszel
تعداد نتایج: 1210 فیلتر نتایج به سال:
Generalization of Mantel-Haenszel procedure for 2 x J (J > 2) tables is reviewed. Included are generalized Mantel-Haenszel tests, estimators for a common odds ratio, and generalized Breslow-Day test for the homogeneity of odds ratios across the strata.-Environ Health Perspect 102(Suppl 8): 57-60 (1994)
in order to determine the occurrence of endometriosis in patients with uterine myoma and in those with polycystic ovarian disease (pcod) compared to controls, 540 infertile patients were first divided into two age groups of 20-29 and 30-39. then each group was subdivided to patients with 1) uterine myoma, 2) pcod, and 3) no uterine myoma or pcod (control subgroup). the occurrence of endometrios...
BACKGROUND It is often desirable to account for centre-effects in the analysis of multicentre randomised trials, however it is unclear which analysis methods are best in trials with a binary outcome. METHODS We compared the performance of four methods of analysis (fixed-effects models, random-effects models, generalised estimating equations (GEE), and Mantel-Haenszel) using a re-analysis of a...
Several statistical methods have been developed for adjusting the Odds Ratio of the relation between two dichotomous variables X and Y for some confounders Z. With the exception of the Mantel-Haenszel method, commonly used methods, notably binary logistic regression, are not symmetrical in X and Y. The classical Mantel-Haenszel method however only works for confounders with a limited number of ...
“This paper was the conception of its junior author, William Haenszel, who had the practical familiarity with the problems of retrospective studies. My experience had been largely in the application of statistics and statistical thinking to laboratory investigations and Haenszel suggested that I augment his own work by any statistical concepts I thought appropriate. Those concepts were, in a wa...
the purpose of this study was to detect differentially functioning items in the university of tehran english proficiency test (utept) which is a high stake test of english developed and administered by the language testing centre of the university of tehran. this paper is based on the answers of 400 test takers to the test. all participants earned a master degree either in humanities or science...
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