Table 4 Sensitivity, specificity and ROC area under the curve for AG, ACAG & BD.
Variable | ROC AUC | CIs | ||
|---|---|---|---|---|
Anion Gap | 0.87 | 0.82 – 0.93 | ||
ACAG | 0.95 | 0.91–0.99 | ||
Base Deficit | 0.78 | 0.71 – 0.86 | ||
Variable | Threshold | Sensitivity | Specificity | NPV |
Anion Gap | 10 | 88.9% | 65.7% | 98.3% |
12 | 82.2% | 80.4% | 97.8% | |
14 | 66.7% | 89.2% | 96.4% | |
16 | 48.9% | 94.5% | 94.9% | |
ACAG | 10 | 100% | 15.1% | 100% |
12 | 100% | 29.8% | 100% | |
14 | 100% | 51.5% | 100% | |
16 | 92.9% | 74.4% | 99.5% | |
Base Deficit | 2 | 84.4% | 63.3% | 97.6% |
4 | 64.4% | 77.1% | 95.6% | |
6 | 51.1% | 84.5% | 94.5% | |
8 | 42.2% | 89.5% | 93.9% |