Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Postoperative recovery
Systematic review	Premenopausal women with heavy periods Data from 1 RCT	Mean hospital stay 3.2 days with ablative curettage 1.6 days with over-curettage	Mean difference 1.6 days 95% CI 1.18 days to 2.02 days P <0.00001 See Further information on studies	Effect size not calculated	overcurettage
Systematic review	Premenopausal women with heavy periods Data from 1 RCT	Mean time taken off work 6.4 days with bipolar radiofrequency 6.6 days with balloon ablation	Mean difference +0.2 days 95% CI –5.9 days to +6.2 days		Not significant
Systematic review	Premenopausal women with heavy periods Data from 1 RCT	Mean time to resume normal activities 4.9 days with bipolar radiofrequency 8.1 days with balloon ablation	Mean difference +3.2 days 95% CI –1.6 days to +8.1 days		Not significant