Study population
Between 1st January 2009 and 30thJune 2014, 152,531 women, 35-55 years old, hospitalized for AUB-O,E,N surgery were identified in the PMSI database, of whom 42,658 presenting at least one exclusion criterion were excluded. The cohort of patients available for analysis thus consisted of 109,873 patients. Of these, 88,154 could be followed for 18 months (Figure 1). In the study population, 5,730 women underwent a 2G surgical procedure (6.5%), 31,437 a 1G procedure (35.7%), 32,304 curettage (36.6%) and 18,647 hysterectomy (21.2%). Mean age of the patients was 46 ± 5.0 years, with no difference between groups.