Table 3.
Performance of the grading system to predict in-hospital mortality.
| In-Hospital Mortality | ||||
|---|---|---|---|---|
| 18–64 Years | ≥65 Years | p Value | ||
| Grade A | Se | 74.6 (69.8; 79.1) | 50.5 (43.7; 57.2) | <0.0001 |
| Sp | 94.2 (93.6; 94.7) | 93.4 (91.6; 94.9) | 0.3776 | |
| PPV | 40.6 (36.7; 44.5) | 65.3 (57.6; 72.4) | <0.0001 | |
| NPV | 98.6 (98.3; 98.9) | 88.4 (86.2; 90.4) | <0.0001 | |
| PLR | 12.9 (11.5; 14.4) | 7.6 (5.8; 10.1) | 0.00007 | |
| NLR | 0.27 (0.22; 0.32) | 0.53 (0.46; 0.61) | <0.0001 | |
| Grade B | Se | 97.2 (94.8; 98.6) | 89.5 (84.7; 93.3) | 0.0003 |
| Sp | 74.6 (73.6; 75.7) | 69.4 (66.3; 72.4) | 0.001 | |
| PPV | 16.9 (15.3; 18.6) | 41.9 (37.4; 46.5) | <0.0001 | |
| NPV | 99.8 (99.6; 99.9) | 96.4 (94.7; 97.7) | <0.0001 | |
| PLR | 3.8 (3.7; 4.0) | 2.9 (2.6; 3.3) | <0.0001 | |
| NLR | 0.04 (0.02; 0.07) | 0.15 (0.10; 0.22) | 0.00002 | |
Se: Sensibility, Sp: Specificity, PPV: Positive predictive value, NPV: Negative predictive value, PLR: Positive likelihood ratio, NLR: Negative likelihood ratio.