Desinfectie huid en slijmvliezen Module 1.3 Risk-of-bias-tabel

Author, year

Selection of participants

Was selection of exposed and non-exposed cohorts drawn from the same population?

Exposure

Can we be confident in the assessment of exposure?

Outcome of interest

Can we be confident that the outcome of interest was not present at start of study?

Confounding-assessment

Can we be confident in the assessment of confounding factors? 

Confounding-analysis

Did the study match exposed and unexposed for all variables that are associated with the outcome of interest or did the statistical analysis adjust for these confounding variables?

Assessment of outcome

Can we be confident in the assessment of outcome?

Follow up

Was the follow up of cohorts adequate? In particular, was outcome data complete or imputed?

Co-interventions

Were co-interventions similar between groups?

Overall Risk of bias

Definitely yes, probably yes, probably no, definitely no

Definitely yes, probably yes, probably no, definitely no

Definitely yes, probably yes, probably no, definitely no

Definitely yes, probably yes, probably no, definitely no

Definitely yes, probably yes, probably no, definitely no

Definitely yes, probably yes, probably no, definitely no

Definitely yes, probably yes, probably no, definitely no

Definitely yes, probably yes, probably no, definitely no

Low, Some concerns, High

Peden, 2019

Probably no

Reason:No information was provided on the selection of participants

Probably yes

Reason:The information was extracted from patient charts

Definitely yes

Reason: The outcome of interest is a serious condition that needs medical attention

Probably no

Reason: Confounders were not taken into account

Definitely no

Reason: Matching or adjustment not performed

Definitely yes

Reason:The outcome of interest is a serious condition that needs medical attention

Probably yes

Reason: Follow-up not reported

Probably no

Reason: Not reported, probably not performed

High (Outcome infection)