Overall survival
If the following were reported, record the value	Value	Relevant supporting text and location (page/column/paragraph)
Unadjusted hazard ratio (HR) Was the comparison group the reference group for the estimate of the HR?	Yes/No/Unclear
95% confidence on unadjusted HR Lower 95% confidence interval Upper 95% confidence interval
Adjusted hazard ratio (HR) Was the comparison group the reference group for the estimate of the HR? List the factors for which the HR was adjusted:	Yes/No/Unclear
95% confidence on adjusted HR Lower 95% confidence interval Upper 95% confidence interval
If an HR was reported, record the number of women in each treatment arm on whom the estimated HR was based: Number of women in intervention arm: Number of women in comparison arm:
If an HR was reported, and if the study was based on a pre‐specified protocol for assigning women to intervention group or comparison group, was the HR based on an intention‐to‐treat (ITT) analysis? i.e. were women analysed in the groups to which they were assigned, regardless of what treatment they received?	Yes/No/Unclear
SE(HR)
SE(ln(HR))
Var(HR)
Var(ln(HR))
Kaplan Meier plots	Yes/No
Minimum follow up time
Maximum follow up time
Log rank P‐value
Was Cox regression reported?	Yes/No
Cox P‐value