Table 3.

Cohen’s κ Coefficients for the Agreement Among the Various Methods Excluding and Including DZS

Fixed effect method		Cohen’s κ coefficients
Excluding DZS	Including DZS	All MA	DZS% ≤ 50%	DZS% > 50%
I0	Exact	0.71	0.74	0.00
I0	Bayesian	0.63	0.67	0.00
Peto	Exact	0.89	0.89	0.80
Peto	Bayesian	0.95	1.00	0.77
I5	I5	0.89	0.95	0.45
ITACC	ITACC	0.88	0.95	0.19
IEMP	IEMP	0.86	0.92	0.60
MH5	MH5	0.70	0.75	0.26
MHTACC	MHTACC	0.70	0.75	0.14
MHEMP	MHEMP	0.73	0.77	0.57

DZS, double-zero-event study; I0, inverse-variance method without continuity correction; I5, inverse-variance method with 0.5 continuity correction; ITACC, inverse-variance method with treatment arm continuity correction; IEMP, inverse-variance method with empirical continuity correction; MH5, Mantel–Haenszel method with 0.5 continuity correction; MHTACC, Mantel–Haenszel method with treatment arm continuity correction; MHEMP, Mantel–Haenszel method with empirical continuity correction; MA, meta-analysis