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Table 3 Characteristics of length of hospital stay of severe hospitalized laboratory confirmed influenza cases treated and untreated with antivirals, PIDIRAC 2010–2015

From: Descriptive study of severe hospitalized cases of laboratory-confirmed influenza during five epidemic seasons (2010–2015)

NAI treatmenta Length of stay < 10 days Length of stay 10 days and more Median length of stay 9 days (range 1–374)
Crude OR (95% CI) p value
Total 575 (53%) 509 (47%)   
≤ 48 h on admission 863 (79.6%) 529 (92%) 334 (65.6%) 0.17 (0.12–0.24) < 0.001
> 48 h on admission 221 (20.4%) 46 (8%) 175 (34.4%)   
Total 1084/1400 (77.4%)     
  1. aMissing data 275 cases; 41 nosocomial cases excluded