Danhauer 2009.
Methods | Randomised controlled trial | |
Participants | Women with diagnosed breast cancer (any stage) 2‐24 months post surgery or recurrence of breast cancer within past 24 months Recruited from Breast Care Center in the Comprehensive Cancer Center of Wake Forest University Mean age 55.8 years N = 44 |
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Interventions | • Restorative yoga (yoga postures, breathing techniques, deep relaxation, meditation), 10 weeks, once weekly for 75 minutes • Wait‐list, no treatment |
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Outcomes | Health‐related quality of life (Functional Assessment of Cancer Therapy ‐ Breast Cancer; Functional Assessment of Chronic Illness Therapy ‐ Spiritual Well‐Being; Medical Outcomes Study 12‐item short‐form health survey) at week 10 Depression (Center for Epidemiologic Studies Depression Scale) at week 10 Fatigue (Functional Assessment of Cancer Therapy ‐ Fatigue) at week 10 Sleep disturbances (Pittsburgh Sleep Quality Index) at week 10 Safety (adverse events) |
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Notes | ||
Risk of bias | ||
Bias | Authors' judgement | Support for judgement |
Random sequence generation (selection bias) | Unclear risk | "Women were randomized to the RY group or a waitlist control group." |
Allocation concealment (selection bias) | Unclear risk | "Women were randomized to the RY group or a waitlist control group." |
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 | 40% dropout in yoga group and 36% dropout in control group; intention‐to‐treat analysis |
Selective reporting (reporting bias) | Low risk | No protocol available but no hint of selective reporting |
Other bias | Low risk | No hint of other bias |