Table 4

A joint model combining physician and EWS predictions outperforms either alone

Joint ModelPhysiciansEWS
AUROC (CI)0.78 (0.70–0.85)0.70 (0.62 to 0.79)*0.73 (0.66–0.81)*
 P valueP=0.016†P=0.050†
 Goodness-of-fit testingP<0.001‡P=0.006‡
Adjusted ORs (CI)
 High versus low4.8 (1.8 to 12.7)7.4 (2.52 to 21.9)
  • *Independent AUROC.

  • †χ2.

  • ‡Likelihood ratio test.

  • AUROC, area under the receiver operating curve; EWS, early warning system.