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