Table 2. Statistical properties of different correction techniques for a selected number of values for the probability of each treatment being effective.

		PPV			NPV			FWER
K	P	Uncorrected	FWER control	FDR control (Corr)	Uncorrected	FWER control	FDR control (Corr)	Uncorrected	FWER control	FDR control (Corr)
3	.05	0.687	0.834	0.833	0.995	0.991	0.990	0.060	0.025	0.025
3	.20	0.912	0.956	0.949	0.976	0.961	0.962	0.052	0.024	0.031
3	.50	0.977	0.986	0.981	0.918	0.886	0.897	0.034	0.022	0.029
3	.80	0.994	0.995	0.994	0.747	0.705	0.728	0.015	0.013	0.015
3	.95	0.999	0.999	0.999	0.392	0.361	0.380	0.004	0.004	0.004
5	.05	0.709	0.884	0.883	0.995	0.988	0.988	0.089	0.026	0.027
5	.20	0.921	0.973	0.961	0.976	0.951	0.955	0.076	0.024	0.038
5	.50	0.977	0.990	0.982	0.922	0.864	0.896	0.052	0.023	0.044
5	.80	0.994	0.996	0.994	0.768	0.695	0.753	0.024	0.017	0.024
5	.95	0.999	0.999	0.999	0.423	0.371	0.416	0.006	0.005	0.006
10	.05	0.747	0.935	0.932	0.995	0.985	0.984	0.140	0.025	0.027
10	.20	0.927	0.984	0.967	0.977	0.937	0.947	0.126	0.026	0.055
10	.50	0.978	0.994	0.981	0.922	0.823	0.890	0.089	0.025	0.076
10	.80	0.994	0.997	0.994	0.788	0.659	0.776	0.043	0.022	0.043
10	.95	0.999	0.999	0.999	0.474	0.378	0.470	0.012	0.010	0.012

Abbreviations: FDR, false-discovery rate; FWER, family-wise error rate; K, number of experimental arms; NPV, negative predictive value; P, probability of each experimental arm being effective; PPV, positive predictive value.