Table 1. Demographic features and biotin levels.
| n | % | |||
| Gender | ||||
| Female | 75 | 71.4 | ||
| Male | 30 | 28.6 | ||
| Age groups | ||||
| <18 | 19 | 18.1 | ||
| 18-50 | 68 | 64.8 | ||
| >50 | 18 | 17.1 | ||
| Biotin levels (ng/L) | ||||
| Deficiency (<200) | 27 | 25.7 | ||
| Suboptimal (200-400) | 48 | 45.7 | ||
| Optimal (>400) | 30 | 28.6 | ||
| Total | 105 | 100.0 | ||
| Minimum | Maximum | Mean | Standard deviation | |
| Age | 5.00 | 75.00 | 32.68 | 16.47 |
| Biotin levels | 24.30 | 921.43 | 311.18 | 158.79 |
| n | % | |||
| Comorbidities | ||||
| Hypothyroidism | 9 | 8.57 | ||
| Hypertension | 7 | 6.66 | ||
| Diabetes mellitus | 4 | 3.8 | ||
| Depression | 4 | 3.8 | ||
| Insulin resistance | 3 | 2.86 | ||
| Familial Mediterranean fever | 3 | 2.86 | ||
| Asthma | 2 | 1.9 | ||
| Bipolar disorder | 1 | 0.95 | ||
| Cerebrovascular disease | 1 | 0.95 | ||
| Chronic urticaria | 1 | 0.95 | ||
| Coronary artery disease | 1 | 0.95 | ||
| Lung cancer | 1 | 0.95 | ||
| Vitiligo | 1 | 0.95 | ||