There were statistically significant differences between Group I and Group II in the median time to first paracetamol ( @ vs @ min , p = @ ) , mean pain scores postoperative day @ ( @ @ vs @ @ , p = @ ) , mean pain score-postoperative day @ ( @ @ vs @ @ , p = @ ) and mean frequencies of paracetamol given on postoperative day @ ( @ @ vs @ @ , p = @ ) .