Inter-observer and intra-observer agreement in drug-induced sedation endoscopy — a systematic approach

The Egyptian Journal of Otolaryngology

Table 4 Inter-observer variation day 1 versus day 2

			95% confidence interval
UAC site	Observed agreement	Kappa	Lower limit	Upper limit
Observer A versus observer B day 1
V	60.00%	0.27	0.06	0.50
O	80.00%	0.63	0.44	0.81
T	74.00%	0.55	0.33	0.73
E	66.00%	0.46	0.25	0.66
Observer A versus observer B day 2
V	77.08%	0.57	0.35	0.78
O	95.83%	0.91	0.77	1.00
T	79.17%	0.64	0.39	0.82
E	87.50%	0.81	0.65	0.94
Observer A versus observer B total
V	68.38%	0.41	0.22	0.58
O	87.76%	0.76	0.63	0.86
T	76.53%	0.60	0.42	0.74
E	76.53%	0.64	0.49	0.77
Observer A versus observer C day 1
V	50.00%	0.20	0.01	0.43
O	64.00%	0.34	0.10	0.55
T	58.00%	0.35	0.14	0.53
E	64.00%	0.43	0.22	0.61
Observer A versus observer C day 2
V	14.58%	−0.10	−0.23	0.03
O	77.08%	0.52	0.29	0.72
T	72.92%	0.55	0.33	0.76
E	64.58%	0.46	0.26	0.66
Observer A versus observer C total
V	32.66%	0.02	0.21	0.58
O	70.41%	0.42	0.64	0.86
T	65.31%	0.45	0.41	0.74
E	64.29%	0.44	0.49	0.77