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Aim During the COVID-19 pandemic, Swedish health care centers were restructured. This was accompanied by changes in the surgical programme. The aim of this study was to determine the effects of COVID-19 on emergency and elective hernia surgeries in a Swedish health-care region. Material and Methods This was a retrospective, observational cohort study. Data from inguinal and ventral hernia surgeries were retrieved from a medical database using procedure codes from all three hospitals in Region Jönköping County from March 1, 2019 to January 31, 2021. The participants were divided into two groups: COVID-19 group (March 1, 2020 - January 31, 2021) and reference group (March 1, 2019 - January 31, 2020). The incidence rate (IR) and relative risk (RR) of operations over different time frames were analyzed. Results A total 1351 participants met the inclusion criteria. 590 were operated during the COVID-19 period and 761 during the reference period. The IR of elective operations was decreased during the COVID-19 pandemic; 146 operations/100.000 population vs 192 operations/100.000 population during the reference period. RR was 0,76 (95% CI 0.6813-0.8545, p &amp;lt; 0.0001). Moreover, IR of emergency operations decreased insignificantly during the COVID-19 pandemic; 17,5 operations/100.000 population vs 19,4 operations/100.000 population during the reference period. RR was 0,9 (95% CI 0.6404- 1.2649, p 0.5441). No significant variations in the emergency operations have identified when different time frames were compared. Conclusions There is no evidence to support that COVID-19 pandemic has increased emergency hernia operations during the studied period despite the significant reduction of elective operations.

P036 IMPACT OF THE COVID-19 PANDEMIC ON HERNIA SURGERY IN A SWEDISH HEALTH-CARE REGION WITHOUT LOCKDOWN: A RETROSPECTIVE COHORT STUDY