| Performance on All Lesions in Test Set | Performance on Mass Lesions in Test Set | Performance on Non-mass enhancements on Test Set | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Malignancy score threshold | Sensitivity | Specificity | PPV | NPV | Sensitivity | Specificity | PPV | NPV | Sensitivity | Specificity | PPV | NPV |
0.00756 [Threshold value yielding 100% sensitivity on the training set] | 99.5%, 419/421 | 9.6%, 11/114 | 80.3%, 419/522 | 84.6%, 11/13 | 99.3%, 291/293 | 10.0%, 7/70 | 82.2%, 291/354 | 77.8%, 7/9 | 100.0%, 128/128 | 9.1%, 4/44 | 76.2%, 128/168 | 100.0%, 4/4 |
0.05 | 98.1%, 413/421 | 35.1%, 40/114 | 84.8%, 413/487 | 83.3%, 40/48 | 97.6%, 286/293 | 38.6%, 27/70 | 86.9%, 286/329 | 79.4%, 27/34 | 99.2%, 127/128 | 29.5%, 13/44 | 80.4%, 127/158 | 92.9%, 13/14 |
0.1 | 96.7%, 407/421 | 43.0%, 49/114 | 86.2%, 407/472 | 77.8%, 49/63 | 96.6%, 283/293 | 47.1%, 33/70 | 88.4%, 283/320 | 76.7%, 33/43 | 96.9%, 124/128 | 36.4%, 16/44 | 81.6%, 124/152 | 80.0%, 16/20 |
0.2 | 94.3%, 397/421 | 54.4%, 62/114 | 88.4%, 397/449 | 72.1%, 62/86 | 94.9%, 278/293 | 55.7%, 39/70 | 90.0%, 278/309 | 72.2%, 39/54 | 93.0%, 119/128 | 52.3%, 23/44 | 85.0%, 119/140 | 71.9%, 23/32 |
0.3 | 91.9%, 387/421 | 64.9%, 74/114 | 90.6%, 387/427 | 68.5%, 74/108 | 93.2%, 273/293 | 65.7%, 46/70 | 91.9%, 273/297 | 69.7%, 46/66 | 89.1%, 114/128 | 63.6%, 28/44 | 87.7%, 114/130 | 66.7%, 28/42 |
0.4 | 87.9%, 370/421 | 73.7%, 84/114 | 92.5%, 370/400 | 62.2%, 84/135 | 88.7%, 260/293 | 74.3%, 52/70 | 93.5%, 260/278 | 61.2%, 52/85 | 85.9%, 110/128 | 72.7%, 32/44 | 90.2%, 110/122 | 64.0%, 32/50 |
0.5 | 83.6%, 352/421 | 82.5%, 94/114 | 94.6%, 352/372 | 57.7%, 94/163 | 83.3%, 244/293 | 84.3%, 59/70 | 95.7%, 244/255 | 54.6%, 59/108 | 84.4%, 108/128 | 79.5%, 35/44 | 92.3%, 108/117 | 63.6%, 35/55 |
0.6 | 75.8%, 319/421 | 89.5%, 102/114 | 96.4%, 319/331 | 50.0%, 102/204 | 75.1%, 220/293 | 88.6%, 62/70 | 96.5%, 220/228 | 45.9%, 62/135 | 77.3%, 99/128 | 90.9%, 40/44 | 96.1%, 99/103 | 58.0%, 40/69 |
0.7 | 61.3%, 258/421 | 91.2%, 104/114 | 96.3%, 258/268 | 39.0%, 104/267 | 60.1%, 176/293 | 91.4%, 64/70 | 96.7%, 176/182 | 35.4%, 64/181 | 64.1%, 82/128 | 90.9%, 40/44 | 95.3%, 82/86 | 46.5%, 40/86 |
0.8 | 46.1%, 194/421 | 96.5%, 110/114 | 98.0%, 194/198 | 32.6%, 110/337 | 43.0%, 126/293 | 97.1%, 68/70 | 98.4%, 126/128 | 28.9%, 68/235 | 53.1%, 68/128 | 95.5%, 42/44 | 97.1%, 68/70 | 41.2%, 42/102 |
0.9 | 20.0%, 84/421 | 99.1%, 113/114 | 98.8%, 84/85 | 25.1%, 113/450 | 17.7%, 52/293 | 98.6%, 69/70 | 98.1%, 52/53 | 22.3%, 69/310 | 25.0%, 32/128 | 100.0%, 44/44 | 100.0%, 32/32 | 31.4%, 44/140 |