Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Need for further surgery
Systematic review	Women of reproductive years with heavy menstrual bleeding 6 RCTs in this analysis	Requirement for further surgery within first year 59/475 (12%) with endometrial resection/ablation 1/412 (<1%) with hysterectomy	RR 14.9 95% CI 5.2 to 42.6 P <0.00001	Large effect size	hysterectomy
Systematic review	Women of reproductive years with heavy menstrual bleeding 6 RCTs in this analysis	Requirement for further surgery 2 years 93/489 (19%) with endometrial resection/ablation 2/441 (<1%) with hysterectomy	RR 23.4 95% CI 8.3 to 65.8 P <0.00001	Large effect size	hysterectomy
Systematic review	Women of reproductive years with heavy menstrual bleeding Data from 1 RCT	Requirement for further surgery 3 years 23/116 (20%) with endometrial resection/ablation 1/56 (2%) with hysterectomy	RR 11.1 95% CI 1.54 to 80.14 P = 0.02	Large effect size	hysterectomy
Systematic review	Women of reproductive years with heavy menstrual bleeding Data from 1 RCT	Requirement for further surgery 4 years 39/102 (38%) with endometrial resection/ablation 1/95 (1%) with hysterectomy	RR 36.32 95% CI 5.09 to 259.21 P = 0.0003	Large effect size	hysterectomy