1.1. Analysis.
Comparison 1: Pre‐emptive NSAIDS/COX‐2 inhibitors versus post‐incision NSAIDS/COX‐2 inhibitors, Outcome 1: Early acute postoperative pain (within 6 hours postoperatively)
Comparison 1: Pre‐emptive NSAIDS/COX‐2 inhibitors versus post‐incision NSAIDS/COX‐2 inhibitors, Outcome 1: Early acute postoperative pain (within 6 hours postoperatively)