Table 3 Diagnostic test for CRP, temperature and SIRS
Non-bacteremic Patients *n (%) | Bacteremic Patients n (%) | Sensitivity (95% CI) | Specificity (95% CI) | PPV (95% CI) | NPV (95% CI) | + LR (95% CI) | - LR (95% CI) | |
|---|---|---|---|---|---|---|---|---|
Temperature > 38.0°C | 1879 (88.5) | 245 (11.5) | 64.3 (59.3–69.1) | 80.8 (80.0–81.6) | 11.5 (10.2–13.0) | 98.3 (98.0–98.6) | 3.4 (3.1–3.6) | 0.4 (0.4–0.5) |
CRP ≥ 100 mg/dL | 2064 (88.2) | 277 (11.8) | 67.4 (62.6–71.9) | 79.0 (78.2–79.8) | 11.8 (10.6–13.2) | 98.3 (98.0–98.6) | 3.2 (3.0–3.5) | 0.4 (0.3–0.5) |
SIRS | 3546 (92.2) | 301 (7.8) | 72.0 (67.4–76.3) | 69.4 (68.5–70.2) | 7.8 (6.9–8.7) | 98.6 (98.3–98.8) | 2.4 (2.2–2.5) | 0.4 (0.3–0.5) |
Combination test | 7140 (94.7) | 397 (5.3) | 95.0 (92.4–96.9) | 38.3 (37.4–39.2) | 5.3 (4.8–5.8) | 99.5 (99.3–99-7) | 1.5 (1.5–1.6) | 0.1 (0.1–0.2) |