Table 4 Clinical characteristics of the case group
Clinical characteristics | Frequency (%) |
|---|---|
Location | |
Forehead | 79 (65.3) |
Right cheek | 76 (55.4) |
Left cheek | 63 (52.1) |
Nose | 18 (14.9) |
Chin | 51 (42.1) |
Trunk | 32 (26.4) |
Duration of acne | |
Less than one year | 41 (33.9) |
One to five years | 62 (51.2) |
Five to ten years | 17 (14.0) |
More than ten years | 1 (0.8) |
Family history of acne | |
Positive family history | 88 (72.7) |
Paternal family history | 12 (9.9) |
Sibling family history | 76 (62.8) |
Negative family history | 33 (27.3) |