PBM Module 2 Risk-of-bias-tabel
| 
			 Study reference (first author, publication year)  | 
			
			 Was the allocation sequence adequately generated? Definitely yes  | 
			
			 Was the allocation adequately concealed? Definitely yes  | 
			
			 Blinding: Was knowledge of the allocated interventions adequately prevented? Were patients blinded? Definitely yes  | 
			
			 Was loss to follow-up (missing outcome data) infrequent? Definitely yes  | 
			
			 Are reports of the study free of selective outcome reporting? Definitely yes  | 
			
			 Was the study apparently free of other problems that could put it at a risk of bias? Definitely yes  | 
			
			 Overall risk of bias If applicable/necessary, per outcome measure LOW  | 
		
|---|---|---|---|---|---|---|---|
| 
			 Harris (2021)  | 
			
			 Definitely yes Reason: Computer-generated sequence was used  | 
			
			 No information  | 
			
			 Definitely no Reason: healthcare workers and patients were not blinded  | 
			
			 No information  | 
			
			 Definitely yes Reason: All relevant outcomes were reported  | 
			
			 Definitely yes Reason: No other problems noted  | 
			
			 LOW (transmission of microorganisms)  |