Institutional care  Bed use (days) Control group Day hospital Control Odds ratio (95% CI) Day hospital Control Comprehensive care (5 trials) 151/597 159/584 0.91 (0.70 to 1.19) 20.5 21.4 Domiciliary care (4 trials) 20/216  19/227 1.61 (0.30 to 8.55)  7.7 11.1 No comprehensive care (3 trials) 37/411  66/403 0.50 (0.26 to 0.96) 11.2 11.7 Total 208/1224 244/1214 0.77 (0.52 to 1.13) 15.0 16.4