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Demographic and clinical characteristics
| Characteristics | n (%) |
|---|---|
| Patients | 22 (100) |
| Gender | |
| Male | 8 (36.4) |
| Female | 14 (63.6) |
| Age range | 4–70 |
| <20 years | 2 (9) |
| 20–50 years | 14 (63.6) |
| >50 years | 6 (36.4) |
| Shape of alopecia | |
| Rectangular | 13 (59) |
| Square | 3 (13.6) |
| Oval | 1 (4.5) |
| Onset of alopecia | |
| 1 week | 5 (22.7) |
| 2 weeks | 9 (40.9) |
| 3 weeks | 3 (13.6) |
| 4 weeks | 2 (9) |
| 6 weeks | 2 (9) |
| 8 weeks | 1 (4.5) |
