Table 2.
Study | a | b | c | d | e | f | g | h | i |
---|---|---|---|---|---|---|---|---|---|
Feldman24 | H* | H* | U | H | U | U | U | L | L |
Glendinning25 | H* | H* | H | L | H | U | L | L | L |
Gottlieb26 | H* | H* | H | H | U | H | U | U | L |
King27 | L | L | L | L | L | L | U | L | L |
Lewin28 | H* | H* | L | H | L | H | L | L | L |
Lewin29 | L | H | L | H | L | H | L | H | U |
Marek30 | H* | H* | H | H | H | U | L | L | L |
Markle-Reid31 | L | L | L | L | L | U | L | L | L |
Markle-Reid32 | L | L | H | L | L | L | L | L | L |
Markle-Reid33 | L | L | L | L | L | L | L | L | L |
Parsons34 | L | U | L | H | L | L | L | H | L |
Tinetti35 | H* | H* | H | L | L | H | L | L | L |
Zingmark36 | H* | H* | H | L | U | H | L | L | L |
a: Selection bias (sequence generation); b: selection bias (sequence concealment); c: selection bias (baseline measurements); d: selection bias (baseline characteristics); e: attrition bias (outcome data); f: detection bias (blinded assessor); g: performance bias (contamination of intervention/control); h: reporting bias (reporting of all outcomes) i: other bias.
H: high risk; l: low risk; u: unclear risk.
Automatically rated high risk due to study type.