| PPV (%) | NPV (%) | Sensitivity (%) | Specificity (%) | AUC | p Value | |
| Prediction of 30 day mortality | ||||||
| CURB65 score | 20.9 | 95.7 | 70.1 | 80.4 | 0.76 (0.74–0.79) | <0.0001 |
| CUR65 + systolic BP<90 mm Hg | 26.6 | 95.3 | 65.4 | 79.4 | 0.79 (0.76–0.81) | <0.0001 |
| CRB65 score | 28.6 | 94.0 | 47.4 | 87.4 | 0.74 (0.71–0.77) | <0.0001 |
| CR65 + systolic BP<90 mm Hg | 36.8 | 93.6 | 40.2 | 92.6 | 0.76 (0.73–0.79) | <0.0001 |
| Prediction of need for mechanical ventilation and/or inotropic support | ||||||
| CURB65 score | 22.7 | 95.7 | 71.8 | 81.0 | 0.78 (0.75–0.81) | <0.0001 |
| CUR65 + systolic BP<90 mm Hg | 25.1 | 95.0 | 63.1 | 79.7 | 0.79 (0.76–0.81) | <0.0001 |
| CRB65 score | 30.4 | 93.6 | 47.6 | 87.6 | 0.77 (0.74–0.79) | <0.0001 |
| CR65 + systolic BP<90 mm Hg | 36.8 | 92.9 | 37.9 | 92.6 | 0.77 (0.74–0.80) | <0.0001 |
AUC, area under the receiver operator characteristic curve; BP, blood pressure; NPV, negative predictive value; PPV, positive predictive value.