Table 2.
Criterion | Author, year | ||||
---|---|---|---|---|---|
San Celestino 2011 | Khalid 2011a | Romany 2010a | Dirican 2008 | Romany 2012a | |
Explicit eligibility criteria | Yes | Yes | Yes | Yes | Yes |
Sequence generation | Unclear | Unclear | Unclear | Unclear | Unclear |
Allocation concealed | Unclear | Unclear | Unclear | Unclear | Unclear |
Patient blinding | Unclear | Unclear | Unclear | No | Unclear |
Outcome assessor blinding | Unclear | Unclear | Unclear | No | Unclear |