Comparison 22. Postoperative pain intensity at 24 hours: perineural versus intravenous dexamethasone.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Postoperative pain intensity at 24 hours	5	309	Mean Difference (IV, Random, 95% CI)	‐0.79 [‐1.51, ‐0.07]
2 Postoperative pain intensity at 24 hours: additive versus no additive subgroups	5	309	Mean Difference (IV, Random, 95% CI)	‐0.79 [‐1.51, ‐0.07]
2.1 Additive	1	50	Mean Difference (IV, Random, 95% CI)	‐1.70 [‐3.32, ‐0.08]
2.2 No additive	4	259	Mean Difference (IV, Random, 95% CI)	‐0.64 [‐1.41, 0.13]
3 Postoperative pain intensity at 24 hours: low‐ versus high‐dose dexamethasonesubgroups	5	309	Mean Difference (IV, Random, 95% CI)	‐0.79 [‐1.51, ‐0.07]
3.1 Low‐dose dexamethasone	2	139	Mean Difference (IV, Random, 95% CI)	‐0.95 [‐2.01, 0.11]
3.2 High‐dose dexamethasone	3	170	Mean Difference (IV, Random, 95% CI)	‐0.68 [‐1.95, 0.59]
4 Intensity of postoperative pain at 24 hours: high/unclear risk of bias versus low risk of bias subgroups	5	309	Mean Difference (IV, Random, 95% CI)	‐0.79 [‐1.51, ‐0.07]
4.1 High/unclear risk of bias	2	139	Mean Difference (IV, Random, 95% CI)	‐0.95 [‐2.01, 0.11]
4.2 Low risk of bias	3	170	Mean Difference (IV, Random, 95% CI)	‐0.68 [‐1.95, 0.59]