Effectiveness based on pain intensity difference (PID) at different time points after drug start and their sum (SPID) with Uzara (UZ) and Ibuprofen (IB) (Cycles: UZ, <i>N = 49</i>; IB, <i>N = 54</i>), with exclusion of 17cycles where rescue analgesia was used.

CI, confidence interval; P, probability; S.E.M., standard error of mean.