Table 2:

Mean pre–post differences in pain scores* between groups†

Oral morphineIbuprofen
DoseNo. of participantsPre–post difference, mean ± SDNo. of participantsPre–post difference, mean ± SDBetween-group difference (95% CI)p value‡
1661.5 ± 1.2681.3 ± 1.00.2 (−0.2 to 0.6)0.3
2551.3 ± 1.3541.3 ± 0.90.0 (−0.4 to 0.4)0.9
3411.3 ± 1.4481.4 ± 1.1−0.1 (−0.7 to 0.4)0.6
4341.5 ± 1.4361.1 ± 1.20.4 (−0.2 to 1.1)0.2

  • Note: SD = standard deviation, CI = confidence interval.

  • ↵* Determined using the Faces Pain Scale — Revised.

  • ↵† Reflects the number of participants taking the dose of each medication at the corresponding time interval.

  • ↵‡ Unpaired t test.