Table 3.
Percentage of cases fulfilling each female androgenetic alopecia criteria according to Sinclair scale
| FAGA criterias | Grade 2 (n=25), n (%) | Grade 3 (n=11), n (%) | Grade 4 (n=9), n (%) | Grade 5 (n=5), n (%) | x 2 | P | |
|---|---|---|---|---|---|---|---|
| Major criteria | >4 yellow dots in frontal area | 0 (0) | 2 (18.18) | 9 (100) | 5 (100) | 42.48 | 0.0001 (S) |
| Lower mean hair thickness in frontal area | 25 (100) | 11 (100) | 9 (100) | 5 (100) | - | - | |
| >10%thin hairs in frontal area | 23 (92) | 11 (100) | 9 (100) | 5 (100) | 2.08 | 0.05 (NS) | |
| Minor criteria | >2:1 single hair units, frontal: occiput | 5 (20) | 5 (45.45) | 9 (100) | 5 (100) | 43.41 | 0.0001 (S) |
| >1.5:1 vellus hair, frontal : occiput | 8 (32) | 7 (63.63) | 0 (0) | 0 (0) | 11.97 | 0.007 (S) | |
| >3:1 hair follicles with perifollicular discoloration, frontal: occiput | 1 (4) | 6 (54.54) | 7 (77.77) | 4 (80) | 27.18 | 0.0001 (S) |
FAGA: Female Androgenetic Alopecia, S: Significant, NS: Not significant