Wang 2014.
Methods | Randomised controlled trial | |
Participants | Women with diagnosed breast cancer after first round of chemotherapy Recruited from a university hospital Mean age not reported N = 100 |
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Interventions | • Yoga (yoga postures, relaxation), 4 months, 4 times a week for 50 minutes • Usual care for 4 months |
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Outcomes | Fatigue (Cancer Fatigue Scale) at week ? (second, fourth and sixth rounds of chemotherapy) | |
Notes | Only Abstract in English (Chinese text read by PK) | |
Risk of bias | ||
Bias | Authors' judgement | Support for judgement |
Random sequence generation (selection bias) | Unclear risk | No information on random sequence generation |
Allocation concealment (selection bias) | High risk | Use of a randomisation table; yoga group and control group were separated into 2 different parts of the hospital |
Blinding of participants and personnel (performance bias) All outcomes | Unclear risk | No information on blinding |
Blinding of outcome assessment (detection bias) All outcomes | Unclear risk | No information on blinding |
Incomplete outcome data (attrition bias) All outcomes | Low risk | 20% attrition in yoga group, 16% in control group |
Selective reporting (reporting bias) | Low risk | No protocol available but no hint of selective reporting |
Other bias | High risk | Cancer Fatigue Scale validated only in Japanese |
6MWD: six‐minute walking distance test. EORTC QLQ‐BR23: European Organisation for Research and Treatment of Cancer core quality of life questionnaire ‐ breast cancer specific. CCOP: Community Clinical Oncology Program. CFS: Cancer Fatigue Scale. EORTC QLQ: European Organisation for Research and Treatment of Cancer core quality of life questionnaire IG: Intervention Group. RY: Restorative Yoga. WG: Waiting Group. WL: Wait List. YG: Yoga Group. YOCAS: Yoga for Cancer Survivors.