Interobserver Reliability of Tongue Diagnosis Using Traditional Korean Medicine for Stroke Patients

Table 1

Agreement between raters for all subjects.

Variables	% Agreement	Kappa (𝜅)	CI of 𝜅	AC1	CI of AC1
Tongue color:
Pale	71.38	0.42	(0.35, 0.49)	0.43	(0.36, 0.51)
Red	75.84	0.51	(0.44, 0.58)	0.52	(0.45, 0.59)
Bluish purple	91.99	0.42	(0.35, 0.49)	0.9	(0.87, 0.93)
Fur color:
White fur	75.17	0.49	(0.42, 0.56)	0.51	(0.44, 0.59)
Yellow fur	85.29	0.69	(0.63, 0.75)	0.71	(0.66, 0.78)
Fur quality:
Thick fur	81.15	0.60	(0.54, 0.67)	0.63	(0.57, 0.70)
Thin fur	74.61	0.49	(0.41, 0.56)	0.49	(0.42, 0.57)
Moist fur	70.27	0.29	(0.21, 0.37)	0.49	(0.42, 0.57)
Dry fur	80.5	0.48	(0.40, 0.56)	0.68	(0.63, 0.75)
Special tongue appearance:
Teeth marked	87.68	0.46	(0.36, 0.56)	0.84	(0.80, 0.88)
Enlarged	89.63	0.51	(0.41, 0.61)	0.86	(0.83, 0.90)
Mirror	97.44	0.60	(0.42, 0.78)	0.97	(0.95, 0.99)
Spotted	96.96	0.37	(0.15, 0.59)	0.96	(0.95, 0.98)

CI: confidence interval.