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. 2023 Apr 4;139(1):35–48. doi: 10.1097/ALN.0000000000004570

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Fig. 3. — Primary outcome of hospital length of stay difference prepandemic versus pandemic period, stratified by geographic region. Pediatric patients undergoing primary appendectomy for acute appendicitis during the COVID-19 pandemic (April to May 2020), were compared with matched cohorts during the same 2-month period the previous year (April to May 2019). Centers were grouped by geographical region to evaluate any geographic association with changes in hospital length of stay.