Table 4 Predictive performance of early warning model and other factors for predicting bloodstream infection in the elderly population
From: Early warning of bloodstream infection in elderly patients with circulating microparticles
Variables | Cutoff | AUC 95% CI | Sensitivity | Specificity | PPV | NPV | P |
|---|---|---|---|---|---|---|---|
Y | 3.5 | 0.884(0.826, 0.942) | 86.8% | 76.5% | 70.8% | 89.8% | < 0.0001 |
Monocyte counts1, ≤ 0.4 × 109/L | 0.645(0.548, 0.741) | 62.3% | 66.7% | 55.0% | 73.0% | 0.005 | |
PCT1, μg/L | 0.185 | 0.630(0.530, 0.729) | 60.4% | 67.9% | 55.2% | 72.4% | 0.012 |
PCT2, μg/L | 2.76 | 0.807(0.731, 0.884) | 69.8% | 82.1% | 71.2% | 81.2% | < 0.0001 |
T-MPs1, events/μL | 6000 | 0.751(0.663, 0.839) | 81.1% | 69.9% | 63.2% | 85.3% | < 0.0001 |
LMPs1, events/μL | 450 | 0.642(0.546, 0.739) | 75.5% | 51.8% | 50.0% | 76.8% | 0.006 |
NMPs1, events/μL | 500 | 0.748(0.664, 0.831) | 92.5% | 57.8% | 58.3% | 92.3% | < 0.0001 |