Time in hours

Group I

Group II

P value

0 - 4

1 (2%)

7 (14%)

0.018*

4 - 12

0 (0%)

3 (6%)

0.026*

12 - 24

0 (0%)

0 (0%)

0.95

Total episodes in 24 hours

1 (2%)

10 (20%)

0.012*