Comparison 23. Sensitivity analysis 3: excluding studies with unclear or high risk of bias on allocation concealment.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
23.1 Rate of falls ‐ exercise vs control	8	1299	Rate Ratio (IV, Random, 95% CI)	0.80 [0.70, 0.91]
23.2 Number of fallers ‐ exercise vs control	7	838	Risk Ratio (IV, Random, 95% CI)	0.91 [0.81, 1.03]
23.3 Rate of falls ‐ cholinesterase inhibitor vs placebo	1	129	Rate Ratio (IV, Fixed, 95% CI)	0.60 [0.38, 0.96]
23.3.1 Rivastigmine vs placebo	1	129	Rate Ratio (IV, Fixed, 95% CI)	0.60 [0.38, 0.96]
23.4 Number of fallers ‐ cholinesterase inhibitor vs placebo	1	130	Risk Ratio (IV, Fixed, 95% CI)	1.00 [0.87, 1.15]
23.4.1 Rivastigmine vs placebo	1	130	Risk Ratio (IV, Fixed, 95% CI)	1.00 [0.87, 1.15]
23.5 Number of fallers ‐ exercise and education vs control	2	320	Risk Ratio (IV, Random, 95% CI)	0.90 [0.75, 1.08]