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

Table 3

Agreement between raters in total subjects (diagnosis by visual inspection).

Variables	% Agreement	Kappa (K)	CI of K	AC1	CI of AC1
Tongue color:
Pale	78.31	0.54	(0.41, 0.67)	0.72	(0.63, 0.80)
Red	77.84	0.64	(0.54, 0.74)	0.68	(0.59, 0.77)
Fur color:
White fur	76.64	0.58	(0.46, 0.70)	0.68	(0.59, 0.77)
Yellow fur	79.51	0.57	(0.45, 0.70)	0.73	(0.65, 0.82)
Fur quality:
Thick fur	83.83	0.54	(0.39, 0.68)	0.80	(0.73, 0.88)
Dry fur	77.24	0.33	(0.16, 0.50)	0.73	(0.64, 0.81)
Special tongue appearance:
Teeth marked	84.93	0.26	(0.04, 0.48)	0.83	(0.77, 0.90)
Enlarged	84.43	0.41	(0.22, 0.60)	0.82	(0.75, 0.89)
Mirror	95.8	0.76	(0.60, 0.93)	0.95	(0.92, 0.99)
Facial complexion:
Reddened complexion	84.33	0.70	(0.60, 0.80)	0.79	(0.71, 0.87)
Dark face discoloration	83.83	0.68	(0.57, 0.79)	0.78	(0.71, 0.86)
White complexion	83.13	0.48	(0.32, 0.64)	0.80	(0.73, 0.87)
Pale face and red zygomatic site	87.95	0.58	(0.42, 0.75)	0.86	(0.80, 0.92)
Dark inferior palpebra	84.43	0.47	(0.30, 0.64)	0.82	(0.75, 0.89)
Eye’s abnormal condition:
Congestive eyes	86.82	0.65	(0.52, 0.79)	0.84	(0.77, 0.90)
Body type:
Underweight	87.42	0.69	(0.57, 0.81)	0.79	(0.70, 0.88)
Overweight	93.41	0.84	(0.75, 0.93)	0.89	(0.82, 0.96)
Tong and mouth:
Aphtha and tongues sores	92.16	0.55	(0.34, 0.77)	0.91	(0.87, 0.96)
Vigor
Look powerless and lazy	77.24	0.65	(0.55, 0.75)	0.66	(0.57, 0.76)

CI: confidence interval.