Table 6

Interobserver Agreement Observer 2 vs. Observer 3

	Observations	Observed Agreement (n = 119)^*	Kappa Value (95% CI)	P Value
Observer 1	1 and 2	98 (82%)	0.60 (0.45 to 0.75)	.000
	2 and 3	106 (89%)	0.76 (0.64 to 0.88)	.000
	1 and 3	103 (87%)	0.70 (0.56 to 0.84)	.000
Average		102 (86%)	0.69

Observer 2	1 and 2	99 (83%)	0.61 (0.46 to 0.76)	.000
	2 and 3	107 (90%)	0.76 (0.63 to 0.89)	.000
	1 and 3	99 (83%)	0.61 (0.45 to 0.77)	.000
Average		102 (86%)	0.66

Observer 3	1 and 2	96 (81%)	0.64 (0.51 to 0.77)	.000
	2 and 3	99 (83%)	0.71 (0.60 to 0.82)	.000
	1 and 3	91 (76%)	0.60 (0.47 to 0.73)	.000
Average		95 (80%)	0.65