Table 3.

Multiple regression analysis for the association of facial color parameters and cold pattern score.

Region	L ∗		a ∗		b ∗		R 2	Adjusted R2
	B	P value	B	P value	B	P value
Whole	−0.156	0.463	−1.048	0.021	0.314	0.173	0.244	0.178
Forehead	0.076	0.667	−0.448	0.215	0.205	0.212	0.222	0.153
Upper cheek	−0.029	0.766	−0.370	0.052	0.147	0.153	0.229	0.162
Lower cheek	−0.120	0.213	−0.494	0.007	0.234	0.019	0.270	0.206
Nose	−0.007	0.967	−0.264	0.487	0.201	0.256	0.151	0.076
Chin	−0.126	0.374	−0.640	0.031	0.231	0.191	0.205	0.135
Lip	−0.093	0.527	−0.214	0.262	0.424	0.171	0.142	0.067

Multiple regression analysis was used adjusting for sex and age. Statistically significant results are in bold; L^∗, light (+) to dark (−); a^∗, red (+) to green (−); b^∗, yellow (+) to blue (−); B, unstandardized coefficients.