Table 3 Comparison of procalcitonin diagnosis between simple infection and different classes of infection complicated by congestive heart failure
Class | Cutoff (μg/L) | Sensitivity | Youden index | Positive predicative value | Negative predicative value | Accuracy | Z-score | P |
|---|---|---|---|---|---|---|---|---|
Simple infection | 0.1 | 56.3 | 0.284 | 95.1 | 14.7 | 57.8 | 11.345 | <0.05 |
Infection complicated by NYHA class II heart failure | 0.1 | 76.6 | 0.487 | 90.9 | 45.7 | 75.6 | 20.232 | <0.05 |
Infection complicated by NYHA class III heart failure | 0.1 | 78.4 | 0.505 | 87.6 | 57.1 | 76.6 | 20.168 | <0.05 |
Infection complicated by NYHA class IV heart failure | 0.1 | 87.2 | 0.593 | 68.6 | 89.0 | 78.3 | 16.518 | <0.05 |