Comparison 6. Sensitivity analysis ‐ Patients hospitalized for more than 10 days by allocation concealment and blinding.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
6.1 Adequacy of allocation concealment	7	1087	Risk Ratio (M‐H, Random, 95% CI)	0.65 [0.44, 0.95]
6.1.1 Adequate allocation concealment	4	726	Risk Ratio (M‐H, Random, 95% CI)	0.57 [0.32, 1.00]
6.1.2 Inadequate allocation concealment	3	361	Risk Ratio (M‐H, Random, 95% CI)	0.73 [0.41, 1.31]
6.2 Blinding	7	1087	Risk Ratio (M‐H, Random, 95% CI)	0.65 [0.44, 0.95]
6.2.1 Blinded studies	3	460	Risk Ratio (M‐H, Random, 95% CI)	0.61 [0.39, 0.93]
6.2.2 Non‐Blinded studies	4	627	Risk Ratio (M‐H, Random, 95% CI)	0.65 [0.36, 1.16]