Comparison 2. Sensitivity analysis: Treadmill training versus no treadmill training.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Gait speed	17		Mean Difference (IV, Random, 95% CI)	Subtotals only
1.1 All studies	16	488	Mean Difference (IV, Random, 95% CI)	0.10 [0.05, 0.15]
1.2 All studies with random allocation	8	237	Mean Difference (IV, Random, 95% CI)	0.08 [0.02, 0.13]
1.3 all studies with concealed allocation	8	237	Mean Difference (IV, Random, 95% CI)	0.08 [0.02, 0.13]
1.4 All studies with blinded assessors	12	375	Mean Difference (IV, Random, 95% CI)	0.07 [0.00, 0.13]
2 Gait speed	17	510	Mean Difference (IV, Random, 95% CI)	0.09 [0.03, 0.14]
2.1 treadmill protocols using a speed dependent approach	4	88	Mean Difference (IV, Random, 95% CI)	0.16 [‐0.08, 0.40]
2.2 treadmill protocols with gradual speed increases	8	227	Mean Difference (IV, Random, 95% CI)	0.08 [0.02, 0.14]
2.3 treadmill protocols with constant walking speed	3	85	Mean Difference (IV, Random, 95% CI)	0.12 [0.02, 0.22]
2.4 studies using a mixed or different approaches or did not manipulated gait speed	2	110	Mean Difference (IV, Random, 95% CI)	0.01 [‐0.19, 0.22]