Table 4.

Trichoscopic features’ frequencies among patients of the four groups before and after treatment

Trichoscopic features	Group A n = 19	Group B n = 16	Group C n = 15	Group D n = 14	Total	P1b	P2b	P3b	P4b	P5b	P6b	P7c
YD 1	11 (57.9%)	10 (62.5%)	9(60%)	9(64.3%)	39(60.9%)	0.9	0.6	0.9	0.9	0.9	0.9	0.9
YD 2	2 (10.5%)	3 (6.25%)	2 (13.33%)	2(14.3%)	9(14%)	0.9	0.9	0.9	0.9	0.9	0.9	0.9
p value∞ a	0.004*	0.01*	0.01*	0.01*	0.001*
BD 1	10 (52.6%)	8 (50%)	8 (53.3%)	9(64.3%)	35(54.6%)	0.9	0.9	0.9	0.9	0.9	0.9	0.8
BD 2	1 (5.2%)	0	0 (0%)	1 (7.1%)	2(3.1%)	0.7	0.1	0.7	0.7	0.8	0.7	0.5
p value∞ a	0.004*	0.004*	0.008*	0.008*	0.001*
BH 1	9 (47.4%)	7 (43.75%)	7 (46.67%)	6 (42.9%)	29(45.3%)	0.9	0.6	0.9	0.9	0.9	0.9	0.9
BH 2	0	0	0	0	0
p value∞ a	0.004*	0.01*	0.01*	0.03*	0.001*
EMH 1	6 (31.6%)	9 (56.25%)	10(66.67%)	8(57.1%)	33(51.5%)	0.9	0.9	0.9	0.9	0.9	0.9	0.1
EMH 2	0	1 (6.25%)	3 (20%)	2 (14.3%)	6(9.3%)	0.7	0.1	0.7	0.7	0.8	0.7	0.2
p value∞ a	0.03*	0.008*	0.01*	0.03*	0.001*
SVH 1	9(47.4%)	10 (62.5%)	7 (46.67%)	8 (57.1%)	34(53.1%)	0.9	0.6	0.9	0.9	0.9	0.9	0.7
SVH 2	10(52.6%)	12 (75%)	8 (53.3%)	10(71.4%)	40(62.5%)	0.9	0.7	0.6	0.9	0.9	0.9	0.2
p value∞ a	0.9	0.6	0.9	0.7	0.3
Terminal hair 1	3	1	1	1	6	0.9	0.6	0.9	0.9	0.9	0.9	0.2
Terminal hair 2	14(73.7%)	13(81.25%)	12(80%)	12(85.7%)	51(79.6%)	0.9	0.6	0.9	0.9	0.9	0.9	0.9
p value ∞ a	0.001*	0.001*	0.001*	0.001*	0.0001*

1: Before treatment, 2: After treatment, YD yellow dots, BD black dots, BH broken hairs, EMH exclamation mark hairs, SVH short vellus hair; Mc-Nemartest^a; Chi-square test^b, Kruskal–Wallis test^c, p value ∞ (before &after treatment). P1(A&B), P2(A&C), P3(A&D), P4(B&C), P5(B&D), P6(C&D), P7,(A,B,C &D)

*Statistical significance