Comparison 23. Postoperative pain intensity at 48 hours: perineural versus intravenous dexamethasone.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Postoperative pain intensity at 48 hours	3	227	Mean Difference (IV, Random, 95% CI)	0.13 [‐0.35, 0.61]
2 Postoperative pain intensity at 48 hours: additive versus no additive subgroups	3	227	Mean Difference (IV, Random, 95% CI)	0.13 [‐0.35, 0.61]
2.1 Additive	1	50	Mean Difference (IV, Random, 95% CI)	0.80 [‐0.51, 2.11]
2.2 No additive	2	177	Mean Difference (IV, Random, 95% CI)	0.02 [‐0.50, 0.54]
3 Postoperative pain intensity at 48 hours: low‐ versus high‐dose dexamethasone subgroups	3	227	Mean Difference (IV, Random, 95% CI)	0.13 [‐0.35, 0.61]
3.1 Low‐dose dexamethasone	1	99	Mean Difference (IV, Random, 95% CI)	0.0 [‐0.59, 0.59]
3.2 High‐dose dexamethasone	2	128	Mean Difference (IV, Random, 95% CI)	0.39 [‐0.45, 1.24]
4 Postoperative pain intensity at 48 hours: high/unclear versus low risk of bias subgroups	3	227	Mean Difference (IV, Random, 95% CI)	0.13 [‐0.35, 0.61]
4.1 High/unclear risk of bias	1	99	Mean Difference (IV, Random, 95% CI)	0.0 [‐0.59, 0.59]
4.2 Low risk of bias	2	128	Mean Difference (IV, Random, 95% CI)	0.39 [‐0.45, 1.24]