Table 3 Risk of bias assessment of the included studies using the Cochrane risk of bias tool
From: Yoga for breast cancer patients and survivors: a systematic review and meta-analysis
Bias | Random sequence generation (selection bias) | Allocation concealment (selection bias) | Blinding of participants and personnel (performance bias) | Blinding of outcome assessment (detection bias) | Incomplete outcome data (attrition bias) | Selective reporting (reporting bias) | Other bias |
|---|---|---|---|---|---|---|---|
Authors, year | |||||||
Banasik et al., 2011 [23] | Unclear | Unclear | High risk | Unclear | Low risk | Low risk | Low risk |
Banerjee et al., 2007 [24] | Low risk | Low risk | High risk | Unclear | High risk | Low risk | Low risk |
Blank et al., 2003 [25] | Unclear | Unclear | High risk | Unclear | High risk | High risk | High risk |
Bower et al., 2011 [26] | Low risk | Low risk | High risk | Low risk | Low risk | Low risk | Low risk |
Carson et al., 2009 [27] | Low risk | Low risk | High risk | Low risk | Low risk | Low risk | Low risk |
Chandwani et al., 2010 [28] | Low risk | Unclear | High risk | Unclear | Low risk | Low risk | Low risk |
Danhauer et al., 2009 [29] | Unclear | Unclear | High risk | Unclear | Low risk | Low risk | Low risk |
Kovačič & Kovačič, 2011 [30] | Low risk | Low risk | Low risk | Low risk | Unclear | Low risk | Low risk |
Littman et al., 2011 [31] | Low risk | Unclear | High risk | High risk | Low risk | Low risk | Low risk |
Moadel et al., 2007 [32] | Unclear | Unclear | High risk | Unclear | Low risk | Low risk | Low risk |
Raghavendra et al., 2007 [33] | Low risk | Low risk | High risk | Unclear | High risk | Low risk | Low risk |
Low risk | Low risk | High risk | Unclear | High risk | High risk | Low risk |