Diagnostic evaluation
| AUC (95% CI) | Sensitivity (95% CI) | Specificity (95% CI) | Correctly classified | PLR (95% CI) | NLR (95% CI) | PPV (95% CI) | NPV (95% CI) | |
| Final model | 0.71 (0.69 to 0.73) | 66.0% (62.2 to 69.7) | 66.4% (65.1 to 67.8) | 66.2% | 1.97 (1.84 to 2.11) | 0.51 (0.46 to 0.57) | 20.7% (19.0 to 22.6) | 93.6% (92.8 to 94.4) |
| Cohort CPR<10th centile | 0.70 (0.65 to 0.75) | 65.9% (56.9 to 74.1) | 65.9% (62.1 to 69.5) | 65.4% | 1.93 (1.64 to 2.27) | 0.52 (0.40 to 0.66) | 26.9% (22.0 to 32.2) | 91.0% (88.1 to 93.4) |
| Cohort EFW<10th centile | 0.73 (0.67 to 0.78) | 67.6% (57.9 to 76.3) | 68.5% (63.9 to 72.9) | 68.5% | 2.15 (1.77 to 2.60) | 0.47 (0.36 to 0.63) | 35.3% (28.8 to 42.2) | 89.3% (85.4 to 92.4) |
| Cohort with CPR<10th and EFW<10th centiles | 0.74 (0.65 to 0.83) | 64.4% (48.8 to 78.1) | 65.5% (56.0 to 74.2) | 65.4% | 1.87 (1.34 to 2.61) | 0.54 (0.36 to 0.82) | 42.6% (30.7 to 55.2) | 82.2% (72.7 to 89.5) |
| Cohort with CPR<10th or EFW<10th centiles | 0.69 (0.65 to 0.73) | 63.5% (56.2 to 70.4) | 63.8% (60.7 to 66.8) | 63.4% | 1.75 (1.53 to 2.01) | 0.57 (0.47 to 0.70) | 25.4% (21.5 to 29.5) | 90.0% (87.5 to 92.1) |
AUC, area under the curve; NLR, negative likelihood ratio; NPV, negative predictive value; PLR, positive likelihood ratio; PPV, positive predictive value.