Table 1.

Minimum sample size for 95% CI width (0.05, 0.1, 0.15 and 0.2) by kappa

Kappa	Precision (the distance between the lower and upper 95% confidence limits)	Minimum required total sample size
0.7	0.05	2348
	0.10	619
	0.15	289
	0.20	170
0.8	0.05	1764
	0.10	481
	0.15	231
	0.20	139