Study | Randomized adequatelya | Allocation concealed | Patient blinded | Care provider blinded | Outcome assessor blinded | Acceptable drop-out rateb | ITT analysisc | Avoided selective reporting | Similar baseline | Similar or avoided cofactor | Patient compliance | Similar timing | Qualityd |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Kvederas et al. [3] | Yes | Yes | Yes | No | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes | High |
Leão et al. [24] | No | No | No | No | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | High |
Dutton et al. [23] | No | No | Yes | No | No | Yes | Yes | Unclear | Unclear | Yes | Yes | Unclear | Moderate |
Yavarikia et al. [5] | No | Yes | Unclear | No | Unclear | Yes | Yes | Yes | Yes | Yes | Yes | Yes | High |
Steffin et al. [14] | Yes | No | No | No | Unclear | Yes | Yes | Yes | Yes | Yes | Yes | Yes | High |
Hernandez et al. [16] | Yes | No | No | No | Unclear | Yes | Yes | Yes | Yes | Yes | Yes | Yes | High |
Hersekli et al. [15] | No | Yes | Unclear | No | Unclear | Yes | Yes | Yes | Yes | Yes | Yes | Yes | High |
Schuh et al. [9] | Yes | No | Unclear | No | Unclear | Yes | Yes | Yes | Yes | Yes | Yes | Yes | High |
Widman et al. [8] | Yes | No | No | No | Unclear | Yes | Yes | Yes | Yes | Yes | Yes | Yes | High |
Barwell et al. [2] | Yes | No | Yes | No | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | High |
Newman et al. [22] | No | No | Unclear | No | Unclear | Yes | Yes | Yes | Yes | Yes | Yes | Yes | High |