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| Time of follow-up | Group A | Group B | P value |
| After 72 hrs | 8 (7-10) | 8 (6-10) | 0.1556 |
| At the end of 1st week | 8 (6-9) | 6 (4-9) | 0.00018 |
| At the end of 3rd week | 5 (0-7) | 4 (0-6) | 0.242 |
| At the end of 6th week | 2 (0-5) | 0 (0-7) | 0.4532 |
