• Jose A Quesada, Adriana Lopez-Pineda, and Juana Lafaja.
• Clinical Medicine Department, Miguel Hernandez University, San Juan de Alicante, Spain.
• Postgrad Med. 2023 Jan 1; 135 (1): 434943-49.

ObjectiveAlthough there have been variations in the management of the patients with endometriosis, an important population of these women still require hospitalization . This study aimed to analyze the trends in hospital admissions associated with endometriosis from 1999 to 2019 in Spain.MethodsAn observational study of temporal trends was performed including women aged 15 to 54 years who were admitted to hospital for endometriosis in Spain from 1999 to 2019. Data on hospitalizations were drawn from the minimum basic data set. The data source used for the population was the continuous civil registry. The study variables were: age, year of admission, type of admission (elective/emergency), if there was surgical intervention during admission and length of hospital stay. Direct age-standardized admission rates were calculated using the 2013 European Standard Population differentiating between hospital admissions for elective surgery and any emergency admissions. Joinpoint regression models were fitted to estimate the annual percent change (APC).ResultsAdmissions for elective surgery increased significantly, by 5.7% annually, until 2003, when they began to decrease slightly at different speeds until 2019. The mean APC for the entire study period was -0.88% (95%CI: -2.74; 1.02). There was a significant mean decrease of 4% in annual emergency admissions until 2012. Then, there was a significant average increase of 2% per year until 2019. Regarding the length of stay, there was a gradual decrease until 2012, after which slight, oscillating increases were apparent.ConclusionThere was a reduction of hospital admissions for elective surgery to treat endometriosis from 2003 to 2019 in Spain but emergency hospitalizations due to endometriosis have been growing since 2012. The mean length of hospital decreased for the study period.

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