Comparison 15. Postoperative opioid consumption at 24 hours: intravenous dexamethasone versus placebo.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 24‐hour opioid consumption	5	287	Mean Difference (IV, Random, 95% CI)	‐6.58 [‐10.56, ‐2.60]
2 24‐hour opioid consumption: additive verus no additive subgroups	5	287	Mean Difference (IV, Random, 95% CI)	‐6.58 [‐10.56, ‐2.60]
2.1 Additive	1	53	Mean Difference (IV, Random, 95% CI)	‐4.0 [‐13.33, 5.33]
2.2 No additive	4	234	Mean Difference (IV, Random, 95% CI)	‐6.93 [‐11.41, ‐2.46]