Table 1 Diagnostic performance of mammography and mammography with computer-aided detection (CAD) for all cases (n = 100)
Readers | Sensitivity | Specificity | PPV | NPV | ||||
|---|---|---|---|---|---|---|---|---|
Total (n = 20) | Mammography | Mammo + CAD | Mammography | Mammo + CAD | Mammography | Mammo + CAD | Mammography | Mammo + CAD |
BR (n = 7) | 81.10 ± 6.52 | 84.29 ± 4.18 | 70.82 ± 10.91 | 73.27 ± 10.32 | 56.30 ± 8.34 | 58.74 ± 8.31 | 90.87 ± 2.37 | 91.59 ± 1.63 |
RR (n = 13) | 75.38 ± 13.85 | 77.95 ± 11.83 | 73.30 ± 10.66 | 69.56 ± 13.37 | 55.91 ± 7.47 | 54.13 ± 10.39 | 88.14 ± 5.55 | 88.03 ± 5.69 |
BR subgroups | ||||||||
Ex ≥10* (n = 3) | 83.33 ± 3.34 | 86.67 ± 0 | 74.76 ± 5.02 | 75.24 ± 2.97 | 58.85 ± 4.63 | 60.09 ± 2.95 | 91.30 ± 1.46 | 92.94 ± 0.25 |
Ex <10* (n = 4) | 79.42 ± 8.29 | 82.50 ± 5.00 | 67.85 ± 13.92 | 71.79 ± 14.16 | 54.38 ± 10.65 | 57.72 ± 11.36 | 90.54 ± 3.08 | 90.59 ± 1.45 |
CAD ex (n = 5) | 80.87 ± 7.88 | 83.34 ± 4.71 | 74.57 ± 5.84 | 77.43 ± 5.83 | 59.19 ± 5.93 | 61.86 ± 6.11 | 91.85 ± 1.86 | 91.64 ± 1.79 |
no CAD ex (n = 2) | 81.67 ± 2.35 | 86.67 ± 0 | 61.43 ± 18.19 | 62.86 ± 14.14 | 49.06 ± 11.43 | 50.93 ± 9.69 | 88.42 ± 1.75 | 91.49 ± 1.76 |
RR subgroups | ||||||||
RR(non-trained) (n = 6) | 75.55 ± 15 | 75.55 ± 8.86 | 76.19 ± 12.21 | 70.00 ± 17.00 | 59.19 ± 9.46 | 54.62 ± 14.26 | 88.54 ± 5.95 | 86.32 ± 5.87 |
RR(trained) (n = 7) | 75.24 ± 13.99 | 80.00 ± 14.27 | 70.82 ± 9.36 | 69.18 ± 10.78 | 53.11 ± 4.13 | 53.70 ± 6.78 | 87.80 ± 5.65 | 89.50 ± 5.52 |