Table 3.
Comparison between the serum level of iron, copper, calcium, and body mass index regarding the severity of premature hair graying in patient’s group
| HWS score | Serum iron | Serum copper | Serum calcium | BMI |
|---|---|---|---|---|
| Trace | ||||
| Range | 50-158 | 82.2-227 | 8.4-11.2 | 20.6-37.1 |
| Mean±SD | 89.35±32.12 | 139.27±32.35 | 9.82±0.53 | 27.32±4.27 |
| Mild | ||||
| Range | 24-135 | 85.5-173 | 8.9-9.7 | 25.52-33 |
| Mean±SD | 65.33±60.68 | 131.50±43.92 | 9.37±0.42 | 30.24±4.11 |
| Moderate | ||||
| Range | 10-84 | 71.6-148 | 7.9-9.8 | 21.48-33.2 |
| Mean±SD | 44.86±29.01 | 112.37±24.4 | 8.81±0.77 | 30.07±4.06 |
| t-test | 4.505 | 0.301 | 7.786 | 1.474 |
| P | 0.021* | 0.743 | 0.002* | 0.247 |
*Significant – P≤0.05. BMI – Body mass index; SD – Standard deviation; HWS – Hair whitening score