“…Pain assessment in studies was done with pain scores at different timelines at rest and movement, 20–30,33–41,48 time to first rescue analgesia, 21,26,28,29,32–35,37,38,41 and total Rescue analgesia consumed. Rescue analgesia in different studies was morphine, 20,22,23,26,30,31,35,38,39,42,48 pethidine, 21,29,36 fentanyl, 27 paracetamol, 21,31,34,41,43–45,47 diclofenac sodium, 43 oral celecoxib 46–48 and tramadol 40,44–46 …”