Table 3 Diagnostic performance of mammography and mammography with computer-aided detection (CAD) for normal plus mass cases (n = 70)
Readers | Sensitivity | Specificity | PPV | NPV | ||||
|---|---|---|---|---|---|---|---|---|
Total (n = 20) | Mammography | Mammo + CAD | Mammography | Mammo + CAD | Mammography | Mammo + CAD | Mammography | Mammo + CAD |
BR (n = 7) | 74.28 ± 8.97 | 73.33 ± 6.67 | 79.22 ± 11.15 | 81.30 ± 9.72 | 51.63 ± 8.65 | 54.15 ± 10.37 | 92.12 ± 2.25 | 91.84 ± 1.3 |
RR (n = 13) | 63.08 ± 17.77 | 68.21 ± 14.95 | 82.66 ± 9.92 | 80.00 ± 14.34 | 52.04 ± 10.23 | 53.70 ± 15.71 | 89.58 ± 4.16 | 90.25 ± 3.65 |
BR subgroups | ||||||||
Ex ≥10* (n = 3) | 68.89 ± 3.85 | 75.55 ± 3.85 | 84.85 ± 1.05 | 84.85 ± 2.10 | 55.37 ± 0.32 | 57.75 ± 3.10 | 90.92 ± 0.94 | 92.73 ± 1.01 |
Ex <10* (n = 4) | 78.33 ± 10.00 | 71.67 ± 8.39 | 75.00 ± 13.88 | 78.64 ± 12.80 | 48.82 ± 11.18 | 51.45 ± 13.64 | 93.03 ± 2.64 | 91.17 ± 1.15 |
CAD ex (n = 5) | 72.00 ± 2.98 | 70.66 ± 5.96 | 82.55 ± 5.69 | 84.73 ± 5.55 | 53.80 ± 6.92 | 57.11 ± 8.30 | 91.52 ± 0.83 | 91.42 ± 1.13 |
no CAD ex (n = 2) | 80.00 ± 18.85 | 80.00 ± 0 | 70.91 ± 20.57 | 72.73 ± 15.43 | 46.2 ± 13.24 | 46.75 ± 14.69 | 93.63 ± 4.60 | 92.89 ± 1.41 |
RR subgroups | ||||||||
RR(non-trained) (n = 6) | 63.33 ± 20.55 | 66.67 ± 13.33 | 83.64 ± 11.03 | 77.27 ± 17.99 | 53.81 ± 13.48 | 50.1 ± 17.04 | 89.73 ± 4.84 | 89.25 ± 3.76 |
RR(trained) (n = 7) | 62.86 ± 16.72 | 69.52 ± 17.15 | 81.82 ± 9.68 | 82.34 ± 11.29 | 50.52 ± 7.22 | 56.78 ± 15.08 | 89.44 ± 3.88 | 91.1 ± 3.61 |