The Emergency Surgery Frailty Index (EmSFI) in Elderly Patients with Acute Appendicitis: An External Validation of Prognostic Score.

World J Surg · 2023 · PMC10229705 · PMID 36947203

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did not reach statistical significanceno p-value reported

Population of the second class included 90% of patients aged over 80 y.o, who represented only 19% of patients in the first class, but this difference did not reach statistical significance.

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