Table 5.

Coverage probability of the 95% confidence interval for the inconsistency factor (IF)

	Heterogeneity					No heterogeneity
	IF = 0	IF = 0.3	IF = 0.45	IF = 0.6	IF = 1	IF = 0	IF = 0.3	IF = 0.45	IF = 0.6	IF = 1
Frequent Events
IVDL	0.90	0.94	0.94	0.94	0.93	0.96	0.98	0.97	0.97	0.97
KHDL	0.89	0.93	0.93	0.93	0.91	0.92	0.95	0.94	0.94	0.93
Rare Events
IVDL	0.93	0.96	0.96	0.97	0.96	0.97	0.98	0.99	0.98	0.96
KHDL	0.91	0.95	0.95	0.95	0.94	0.92	0.96	0.96	0.95	0.94

Results are aggregated over sample size and number of trials (assumed equal across comparisons). IVDL: inverse variance method with the DerSimonian and Laird estimator, KHDL: Knapp-Hartung method with the DerSimonian and Laird estimator.