Comparison 9. Postoperative care ‐ paracetamol vs morphine.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Total amount of morphine (µg/kg) administered over 48 hours	1	41	Mean Difference (IV, Fixed, 95% CI)	‐157.0 [‐287.48, ‐26.52]
2 Any adverse event	1	41	Risk Ratio (M‐H, Fixed, 95% CI)	0.95 [0.50, 1.78]
3 Re‐intubation	1	41	Risk Ratio (M‐H, Fixed, 95% CI)	3.45 [0.15, 80.03]
4 Apnoea	1	41	Risk Ratio (M‐H, Fixed, 95% CI)	0.77 [0.26, 2.33]
5 Apnoea with naloxone	1	41	Risk Ratio (M‐H, Fixed, 95% CI)	0.23 [0.01, 4.51]
6 Bradycardia	1	41	Risk Ratio (M‐H, Fixed, 95% CI)	1.16 [0.33, 4.01]
7 Urinary retention	1	41	Risk Ratio (M‐H, Fixed, 95% CI)	3.45 [0.15, 80.03]