Table 2

Data on multivariate regression analysis

FactorβseExp (β)95% CIp‐value
Pa,O2/FI,O2 day 1 after inclusion−0.0990.030.9060.854–0.9610.001
  • CI: confidence interval

  • PRISM: paediatric risk of mortality

  • Pa,O2/FI,O2: arterial oxygen tension to fraction of inspired oxygen ratio (average score on day 1 after inclusion)

  • McFadden's‐R2=33.4%. Overall per cent correctly predicted 86.4

  • Area under the curve (combination of Pa,O2/FI,O2 on day 1 after inclusion and PRISM) 0.815 (95% CI 0.642–0.989)