Table 4 Comparison of test characteristics for predicting 90 day mortality: PMHI vs. RMI using a dichotomized score (0-1 vs 2-3)

Score ≥ 2 in multivariate analysis

OR 7.24 (95% CI: 2.91-18.02), p < 0.0001

OR 1.08 (95% CI: 0.41-2.89), p = 0.88

Sensitivity

61%

36%

Specificity

83%

85%

Positive likelihood ratio

3.57

2.42

False positive rate

14.6%

12.9%

False negative rate

5.6%

9.0%

Area under curve (AUC)

0.782

0.696