Interobserver Reliability of Four Diagnostic Methods Using Traditional Korean Medicine for Stroke Patients

Table 5

Agreement between raters in total subjects (diagnosis by inquiry).

Variables	% Agreement	Kappa (K)	CI of K	AC1	CI of AC1
Headache:
Hot flush in head	89.15	0.74	(0.63, 0.85)	0.86	(0.80, 0.93)
An unpleasant sensation with an urge to vomit	69.87	0.27	(0.12, 0.42)	0.62	(0.53, 0.72)
Tongue and mouth:
Dry mouth	80.12	0.68	(0.58, 0.78)	0.71	(0.62, 0.80)
Thirst in the mouth	79.51	0.63	(0.52, 0.75)	0.72	(0.63, 0.80)
Temperature:
Aversion to heat	81.32	0.62	(0.50, 0.73)	0.75	(0.67, 0.84)
Vexing heat in the extremities	90.36	0.46	(0.24, 0.67)	0.94	(0.90, 0.98)
Heat in the palmar and plantar	93.97	0.56	(0.31, 0.81)	0.89	(0.84, 0.95)
Reversal cold of the extremities	90.36	0.64	(0.47, 0.80)	0.89	(0.84, 0.94)
Afternoon tidal fever	91.56	0.52	(0.30, 0.74)	0.91	(0.86, 0.96)
Chest:
Heat vexation in the chest	87.95	0.76	(0.66, 0.85)	0.84	(0.77, 0.91)
Sleep:
Vexation and insomnia	81.92	0.63	(0.52, 0.75)	0.76	(0.68, 0.84)
Sweating:
Night sweating	89.69	0.70	(0.57, 0.83)	0.88	(0.82, 0.93)
Urine:
Turbid urine	84.82	0.70	(0.59, 0.81)	0.80	(0.72, 0.88)
Vigor:
Like to lie down	83.13	0.72	(0.62, 0.81)	0.76	(0.68, 0.84)
Feel powerless and lazy	77.1	0.64	(0.54, 0.74)	0.66	(0.57, 0.76)

CI: confidence interval.