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Table 2 Risk of bias of the included studies

From: Yoga for schizophrenia: a systematic review and meta-analysis

  Selection bias: Performance bias: Attrition bias: Reporting bias: Detection bias:  
Author, year Adequate random sequence generation Adequate allocation concealment Similar baseline characteristics Adequate participant blinding Adequate provider blinding Similar or no co-interventions Acceptable compliance Acceptable and described drop-out rate Inclusion of an intention-to-treat analysis No selective outcome reporting Adequate outcome assessor blinding Similar timing of outcome assessment Total: (max. 12)a
Behere et al., 2011 [41] Varambally et al., 2012 [42] Yes Yes Yes No No Yes Unclear No No Unclear Yes Yes 6
Duraiswamy et al., 2007 [43] Yes Unclear Yes No Unclear Yes Unclear No No Yes Yes Yes 6
Vancamport et al., 2011 [44] Yes Unclear Unclear Unclear Unclear Unclear Yes No No Yes Unclear Yes 4
Visceglia et al., 2011 [45] Yes Unclear Yes No Unclear Unclear Unclear Unclear Unclear Yes Yes Yes 5
Xie et al., 2006 [46] Yes Unclear Yes No Unclear Yes Unclear No No Yes Unclear Yes 5
  1. aHigher scores indicate lower risk of bias.