Table 3 Classification results of the prospective study
Methods | Characteristics | Accuracy,% (95%CI) | Sensitivity,% (95%CI) | Specificity,% (95%CI) | PPV,% (95%CI) | NPV,% (95%CI) | AUC (95%CI) |
|---|---|---|---|---|---|---|---|
CNN | VGG19 | 78.10 (76.21, 79.99) | 80.39 (78.59, 82.18) | 94.52 (89.15, 99.88) | 94.89 (89.85, 99.88) | 77.00(75.27, 78.72) | 0.885 (0.846, 0.925) |
ultrasound characteristics | CRL | 66.34 (56.65, 74.82) | 66.67 (29.57, 90.75) | 66.32 (56.32, 75.04) | 11.11 (3.82, 25.91) | 96.92 (88.83, 99.78) | 0.665 (0.564–0.756) |
HR | 82.18 (73.49, 88.51) | 50.00 (18.76, 81.24) | 84.21 (75.46, 90.31) | 16.67 (5.01, 40.05) | 96.39 (89.47, 99.20) | 0.671 (0.570–0.761) | |
CRL + HR | 83.17 (74.59, 89.31) | 50.00 (18.76, 81.24) | 87.37 (79.06, 92.77) | 20.00 (6.28, 45.95) | 96.51(89.82, 99.23) | 0.687 (0.587–0.775) |