Table 2.

Effect of increasing within trial precision (factor M) on heterogeneity measures (data in [14]).

Factor	Measure
M	${\widehat{\tau }}^2$	Q (P-value)	I2	H
1	0.018	85 (0.0953)	18.6% [0%; 40.1%]	1.11 [1; 1.29]
4	0.008	98 (0.0135)	29.2% [4.5%; 47.6%]	1.19 [1.02; 1.38]
16	0.027	454 (<0.0001)	84.8% [81.4%; 87.5%]	2.56 [2.32; 2.83]
64	0.028	1708 (<0.0001)	96.0% [95.4%; 96.5%]	4.98 [4.65; 5.32]