finasteride: A multicenter clinical trial data assessing the treatment...

In boutliers: Outlier Detection and Influence Diagnostics for Meta-Analysis

A multicenter clinical trial data assessing the treatment effect of finasteride for benign prostatic hyperplasia

Description

• center: Center ID

• n1: Number of observations in finasteride group

• m1: Mean of the change of Boyarsky score from baseline in finasteride group

• s1: SD of the change of Boyarsky score from baseline in finasteride group

• n0: Number of observations in placebo group

• m0: Mean of the change of Boyarsky score from baseline in placebo group

• s0: SD of the change of Boyarsky score from baseline in placebo group

Usage

data(PPI)

Format

A data frame with 29 rows and 7 variables

References

Nakamura, R., and Noma, H. (2021). Detection of outlying centers and influence diagnostics for the analysis of multicenter clinical trials (in Japanese). Japanese Journal of Biometrics. 41(2): 117-136. \Sexpr[results=rd]{tools:::Rd_expr_doi("10.5691/jjb.41.117")}

Gormley, G. J., Stoner, E., Bruskewitz, R. C., et al. (1992). The effect of finasteride in men with benign prostatic hyperplasia. The Finasteride Study Group. New England Journal of Medicine. 327: 1185-1191. \Sexpr[results=rd]{tools:::Rd_expr_doi("10.1056/nejm199210223271701")}

Gould, A. L. (1998). Multi-centre trial analysis revisited. Statistics in Medicine. 17: 1779-1797.

boutliers documentation built on Nov. 26, 2025, 9:06 a.m.