OCMI score | Zinc sulfate | Reduction in mean | Dapsone | Reduction in mean | Isotretinoin | Reduction in mean | P-value |
At day 0 | 11.93 |
| 10.87 |
| 13.133 |
|
|
At 2 weeks | 6.07 | 5.86 | 3.73 | 7.14 | 10.567 | 2.566 | 0.034 S |
At one month | 1.73 | 10.2 | 4.40 | 6.47 | 7.6 | 5.533 | 0.039 S |
At 2 months | 2.80 | 9.13 | 4.27 | 6.6 | 5.5667 | 7.566 | 0.089 NS |
At 3 months | 0.93 | 11 | 2.80 | 8.07 | 4.0667 | 9.066 | 0.048 |