Table 5.

Comparison of tongue features between cold- and heat-pattern groups (n = 50).

Variables	Cold pattern (n = 20)	Heat pattern (n = 30)	p-value
Tongue body area
CIE L‡	48.23 (3.7)	45.76 (2.65)	0.008
CIE a	21.49 (1.56)	22.27 (1.03)	0.059
CIE b	15.81 (2.47)	14.78 (1.68)	0.114
Tongue coating area
CIE L	39.9 (7.25)	36.94 (6.51)	0.139
CIE a†	13.48 (0.55)	13.02 (0.66)	0.012
CIE b†	14.66 (2.18)	13.45 (1.98)	0.047

^† p < 0.05; ^‡p < 0.01.