Chakrabarty 2015.

Methods	Randomised controlled trial
Participants	Women with diagnosed stage I‐III breast cancer undergoing daily adjuvant radiation therapy for 6 weeks after completing surgery and chemotherapy Recruited from a cancer hospital and research centre Mean age 43.6 years N = 160
Interventions	• Pranayama (breathing techniques), 6 weeks, twice daily, 5 days a week for 20 minutes • Routine care for 6 weeks
Outcomes	Fatigue (Cancer Fatigue Scale), week 6
Notes	Cancer Fatigue Scale prepared by researchers; validation study not published Unpublished means and standard deviations for Cancer Fatigue Scale were provided by study authors upon request.
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Low risk	Block randomisation
Allocation concealment (selection bias)	Low risk	Concealed numbered envelopes
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	Insufficient information on blinding
Incomplete outcome data (attrition bias) All outcomes	Low risk	No attrition
Selective reporting (reporting bias)	Unclear risk	Cancer Fatigue Scale prepared by researchers; validation study not published
Other bias	Unclear risk	Cancer Fatigue Scale prepared by researchers; validation study not published