Table 3.

Pearson's correlation between the tongue temperature and color parameters (L∗, a∗, and b∗).

Scale		RET			TC			TT
		L∗	a∗	b∗	L∗	a∗	b∗	L∗	a∗	b∗
R0	r	-0.017	0.108	-0.026	0.012	0.071	-0.093	0.246a	-0.011	-0.134
	P-value	0.849	0.216	0.766	0.892	0.418	0.283	0.004	0.897	0.122
R1	r	-0.040	0.100	-0.005	0.038	0.004	-0.101	0.243a	-0.051	-0.152
	P-value	0.650	0.250	0.958	0.659	0.962	0.245	0.005	0.555	0.079
R3	r	-0.002	0.086	-0.034	0.009	0.030	-0.079	0.236a	-0.024	-0.153
	P-value	0.978	0.320	0.700	0.917	0.728	0.364	0.006	0.786	0.077

Note: a∗: balance between green (-) and red (+); b∗: balance between blue (-) and yellow (+); L∗: luminance; RET: the right edge of the tongue; TC: the tongue center; TT: tongue tip; R₀: tongue center; R₁: right side of the tongue center; R₃: tip of the tongue. ^aP < 0.01.