Table 3.

Analysis of Mouth Corners According to Age in Group B*

Age	20–29 (%)	30–39 (%)	40–49 (%)	>50 (%)
Type Ia	24 (10.2)	23 (8.8)	4 (2.4)	4 (2.8)
Type Ib	114 (48.3)	115 (44.2)	74 (43.5)	49 (34.5)
Type Iia	17 (7.2)	18 (7.0)	14 (8.2)	2 (1.4)
Type Iib	81 (34.3)	104 (40.0)	77 (45.3)	82 (57.8)
Type III	0 (0)	0 (0)	1 (0.6)	5 (3.5)
Total	236	260	170	142
Type	Coef	95% CI	P
Type Ia	−2.932	−4.714~−1.151	0.084
Type Ib	−4.04	−6.156~−1.924	0.065
Type IIa	−1.394	−3.707~0.919	0.359
Type IIb	7.341	5.091~9.592	0.024
Type III	1.025	0.095~1.955	0.163

*Group B, female patients who came to the clinical for mouth corner lift.

Coef, coefficient of weighted linear regression; CI, confidence interval.