Removal of all ovarian tissue versus conserving ovarian tissue at time of hysterectomy in premenopausal patients with benign disease: study using routine data and data linkage

To conduct a nationwide study of associations between removal of all ovarian tissue versus conservation of at least one ovary at the time of hysterectomy and important health outcomes (ischaemic heart disease, cancer, and all cause mortality). Retrospective analysis of the English Hospital Episode Statistics database linked to national registers of deprivation indices and of deaths. 113 679 patients aged 35-45 who had had a hysterectomy for...