Table 2 Prediction of admission by the Emergency Severity Index (ESI) and the Manchester Triage System (MTS)
Independent variablesESI adjusted OR (95% CI)MTS adjusted OR (95% CI)
ESI 1/MTS Red34.03 (23.83 to 48.59)21.42 (15.54 to 29.52)
ESI 2/MTS Orange13.78 (12.52 to 15.18)8.56 (7.83 to 9.36)
ESI 3/MTS Yellow5.91 (5.47 to 6.39)4.77 (4.40 to 5.17)
ESI 5/MTS Blue0.32 (0.27 to 0.38)0.54 (0.28 to 1.07)*
Hospital0.35 (0.33 to 0.37)0.49 (0.46 to 0.52)
Age1.02 (1.02 to 1.03)1.03 (1.03 to 1.04)
Gender (male)1.06 (1.00 to 1.13)
  • *Not statistically significant (p>0.05).

  • †Not a predictor.

  • Reference category 4 is by definition 1.

  • *Not statistically significant (p>0.05).

  • †Not a predictor.

  • Reference category 4 is by definition 1.