BMC Medical Research Methodology

Table 1 Absolute heterogeneity values (τ) corresponding to relative settings (I²) used in the simulations that are shown in Figs. 4 and 5

From: Likelihood-based random-effects meta-analysis with few studies: empirical and simulation studies

		Relative risk (RR)			Odds ratio (OR)
	I ²	Equal	One small	One large	Equal	One small	One large
k = 2	0.25	0.0534	0.1254	0.0396	0.1781	0.4179	0.1321
	0.50	0.0926	0.2171	0.0687	0.3086	0.7237	0.2289
	0.75	0.1604	0.3761	0.1189	0.5345	1.2536	0.3964
	0.90	0.2777	0.6514	0.2060	0.9258	2.1712	0.6866
k = 3	0.25	0.0534	0.1069	0.0447	0.1781	0.3563	0.1491
	0.50	0.0926	0.1852	0.0775	0.3086	0.6172	0.2582
	0.75	0.1604	0.3207	0.1342	0.5345	1.0690	0.4472
	0.90	0.2777	0.5549	0.2324	0.9258	1.8516	0.7746
k = 5	0.25	0.0534	0.0844	0.0484	0.1781	0.2981	0.1613
	0.50	0.0926	0.1549	0.0838	0.3086	0.5164	0.2795
	0.75	0.1604	0.2683	0.1452	0.5345	0.8944	0.4840
	0.90	0.2777	0.4648	0.2515	0.9258	1.5491	0.8384

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