| number | % |
---|---|---|
Total number: | 42 | 100% |
Gender: | Â | Â |
   Male | 24 | 57.14 |
   Female | 18 | 42.86 |
Mean age in years(range): | 60.17 (45-77) | Â |
Associated factors: | Â | Â |
   Prior scalp surgery | 4 | 9.52 |
   Prior steroid therapy | 0 | 0 |
   Diabetes | 10 | 23.81 |
   Smoking history | 15 | 35.71 |