| Items | Normal weight (No, =40) | Under weight (No, =40) | Independent t test | |||
| Mean | SD | Mean | SD | T | p value | |
| Vit D (ng/ml) | 102.68 | 72.82 | 103.15 | 78.35 | −0.028 | 0.978 |
| Interferon (ng/ml) | 389.68 | 256.33 | 365.83 | 262.50 | 0.411 | 0.682 |