Comparison 13. Postoperative pain intensity at 24 hours: intravenous dexamethasone versus placebo.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Postoperative pain intensity at 24 hours	5	257	Mean Difference (IV, Random, 95% CI)	‐1.26 [‐2.23, ‐0.29]
2 Postoperative pain intensity at 24 hours: additive versus no additive subgroups	5	257	Mean Difference (IV, Random, 95% CI)	‐1.26 [‐2.23, ‐0.29]
2.1 Additive	1	49	Mean Difference (IV, Random, 95% CI)	‐0.90 [‐2.75, 0.95]
2.2 No additive	4	208	Mean Difference (IV, Random, 95% CI)	‐1.33 [‐2.48, ‐0.18]
3 Postoperative pain intensity at 24 hours: high‐ versus low‐dose dexamethasone subgroups	5	257	Mean Difference (IV, Random, 95% CI)	‐1.26 [‐2.23, ‐0.29]
3.1 High‐dose dexamethasone	4	217	Mean Difference (IV, Random, 95% CI)	‐1.31 [‐2.54, ‐0.07]
3.2 Low‐dose dexamethasone	1	40	Mean Difference (IV, Random, 95% CI)	‐1.1 [‐2.49, 0.29]
4 Postoperative pain intensity at 24 hours: high/unclear versus low risk of bias subgroups	5	257	Mean Difference (IV, Random, 95% CI)	‐1.26 [‐2.23, ‐0.29]
4.1 High/unclear risk of bias	1	40	Mean Difference (IV, Random, 95% CI)	‐1.1 [‐2.49, 0.29]
4.2 Low risk of bias	4	217	Mean Difference (IV, Random, 95% CI)	‐1.31 [‐2.54, ‐0.07]