Table 2 Diagnostic performance of mammography and mammography with computer-aided detection (CAD) for normal plus microcalcification 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) | 93.33 ± 10.18 | 95.24 ± 5.04 | 75.59 ± 11.35 | 78.70 ± 11.10 | 52.96 ± 12.69 | 57.18 ± 11.89 | 97.29 ± 4.51 | 98.33 ± 1.75 |
RR (n = 13) | 87.69 ± 13.29 | 87.69 ± 11.50 | 78.32 ± 7.62 | 73.71 ± 10.70 | 53.44 ± 8.40 | 49.46 ± 11.42 | 96.20 ± 3.98 | 95.56 ± 4.24 |
BR subgroups | ||||||||
Ex ≥10* (n = 3) | 97.78 ± 3.85 | 97.78 ± 3.85 | 80.61 ± 8.20 | 81.82 ± 5.46 | 59.14 ± 11.06 | 60.03 ± 7.45 | 99.26 ± 1.28 | 99.28 ± 1.25 |
Ex <10* (n = 4) | 90.00 ± 12.77 | 93.33 ± 5.44 | 71.82 ± 12.98 | 76.36 ± 14.47 | 48.32 ± 13.18 | 55.05 ± 15.22 | 95.81 ± 5.72 | 97.62 ± 1.88 |
CAD ex (n = 5) | 97.33 ± 5.96 | 96.00 ± 5.96 | 79.27 ± 6.37 | 82.54 ± 6.25 | 56.99 ± 9.17 | 61.02 ± 9.48 | 99.07 ± 2.08 | 98.72 ± 1.96 |
no CAD ex (n = 2) | 83.33 ± 14.14 | 93.33 ± 0 | 66.37 ± 19.28 | 69.09 ± 18.00 | 42.87 ± 18.58 | 47.59 ± 15.20 | 92.83 ± 7.00 | 97.36 ± 0.67 |
RR subgroups | ||||||||
RR(non-trained) (n = 6) | 87.78 ± 12.23 | 84.44 ± 10.04 | 80.00 ± 8.83 | 74.24 ± 14.29 | 55.92 ± 10.82 | 50.37 ± 16.2 | 96.19 ± 3.63 | 94.13 ± 4.30 |
RR(trained) (n = 7) | 87.62 ± 15.12 | 90.48 ± 12.68 | 76.88 ± 6.78 | 73.25 ± 7.62 | 51.32 ± 5.69 | 48.69 ± 6.39 | 96.21 ± 4.56 | 96.79 ± 4.08 |