Table 2.

A comparison of intraobserver agreements (kappa values) of the ATDS and TCM doctors.

Features	ATDS	TCM doctors (N = 12)
Tongue color∗∗∗	1.00	0.39 ± 0.18
Fur color∗∗	0.88	0.83 ± 0.04
Fur thickness∗∗	1.00	0.68 ± 0.27
Tongue fissure∗∗	0.90	0.72 ± 0.18
Red dot∗∗∗	0.96	0.50 ± 0.15
Ecchymosis∗∗∗	1.00	0.71 ± 0.57
Tooth mark∗∗∗	0.94	0.59 ± 0.24
Saliva∗	0.86	0.58 ± 0.34
Tongue shape	0.84	0.81 ± 0.09
Mean†	0.93 ± 0.06	0.64 ± 0.13

Note: one-sample t-test with significance of ^∗ P < 0.05, ^∗∗ P < 0.01, and ^∗∗∗ P < 0.001; two-sample t-test with significance of ^† P < 0.001.