Comparison 1. TIVA vs Inhalational maintenance.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Postoperative delirium	5	321	Odds Ratio (M‐H, Random, 95% CI)	0.59 [0.15, 2.26]
2 Postoperative cognitive dysfunction	7	869	Odds Ratio (M‐H, Random, 95% CI)	0.52 [0.31, 0.87]
3 Mortality	3	271	Odds Ratio (M‐H, Random, 95% CI)	1.21 [0.33, 4.45]
4 Intraoperative hypotension	11		Odds Ratio (M‐H, Random, 95% CI)	Totals not selected
5 Length of stay in PACU	7		Mean Difference (IV, Random, 95% CI)	Totals not selected
6 Length of hospital stay	4	175	Mean Difference (IV, Random, 95% CI)	‐0.00 [‐1.32, 1.32]