Risk adjustment performance between NNIS index and NHSN model for postoperative colorectal surgical site infection: A retrospective cohort study.

Ann Med Surg (Lond) · 2022 · PMC9142714 · PMID 35637982

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did not reach statistical significanceno p-value reported

According to the classification of risk factors, some variables in this study did not reach statistical significance; these being: age, BMI, DM, DM with complications, and preoperative hospital stay.

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