Table 6 Likelihood ratios provided by the CAD tool
3D + , 2D + | 3D + , 2D- | 3D-, 2D + | 3D-, 2D- | |
|---|---|---|---|---|
Local validation set | ||||
N (%) of PC | 80 (73.4%) | 4 (3.7%) | 12 (11.0%) | 13 (11.9%) |
N (%) of control | 3 (2.0%) | 4 (2.7%) | 12 (8.2%) | 128 (87.1%) |
Likelihood ratio | 35.96 (11.67—110.85) | 1.35 (0.35—5.27) | 1.35 (0.63—2.89) | 0.14 (0.08—0.23) |
Nationwide test set | ||||
N (%) of PC | 498 (74.2%) | 36 (5.4%) | 80 (11.9%) | 57 (8.5%) |
N (%) of control | 39 (4.8%) | 25 (3.1%) | 104 (12.9%) | 637 (79.1%) |
Likelihood ratio | 15.32 (11.24—20.87) | 1.73 (1.05—2.85) | 0.92 (0.70—1.21) | 0.11 (0.08—0.14) |