Comparison 1. Neuraxial versus general anaesthesia.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Mortality	4		Odds Ratio (M‐H, Random, 95% CI)	Subtotals only
1.1 In hospital	4	696	Odds Ratio (M‐H, Random, 95% CI)	0.79 [0.32, 1.93]
1.2 After hospital stay	1	100	Odds Ratio (M‐H, Random, 95% CI)	2.13 [0.19, 24.25]
1.3 At any time	4	696	Odds Ratio (M‐H, Random, 95% CI)	0.89 [0.38, 2.07]
2 Myocardial infarction	4	696	Odds Ratio (M‐H, Random, 95% CI)	1.23 [0.56, 2.70]
2.1 Spinal anaesthesia	2	306	Odds Ratio (M‐H, Random, 95% CI)	1.89 [0.50, 7.21]
2.2 Epidural anaesthesia	3	390	Odds Ratio (M‐H, Random, 95% CI)	0.98 [0.37, 2.58]
3 Amputation rate	3	465	Odds Ratio (M‐H, Random, 95% CI)	0.84 [0.38, 1.84]
3.1 Spinal anaesthesia	2	235	Odds Ratio (M‐H, Random, 95% CI)	1.04 [0.35, 3.06]
3.2 Epidural anaesthesia	2	230	Odds Ratio (M‐H, Random, 95% CI)	0.66 [0.21, 2.07]
4 Pneumonia	2	201	Odds Ratio (M‐H, Random, 95% CI)	0.37 [0.15, 0.89]