Table 2 Performance of clinical decision rule
From: Can we reduce CT scan and hospital costs in children with blunt trauma using four parameters?
Patients without IAI (95%CI) | Patients with IAI (95%CI) | |
|---|---|---|
Sensitivity | 97.3% (95.6–98.5) | 93.3% (68.1–99.8) |
Specificity | 98.2% (90.6–99.89) | 90.1% (87.4–92.5) |
Positive predictive value | 99.8 (98.6–99.9) | 20 (15.8–24.9) |
Negative predictive value | 80 (70.4–87.1) | 99.8 (98.7–99.9) |
Negative likelihood ratio | 0.03 (0.02–0.05) | 0.07 (0.01–0.4) |
Accuracy | 97.4 (95.8–98.5) | 90.2 (87.5–92.5) |