| Sensitivity | Specificity | PPV | NPV |
Ductography in our study | 93.68% | 100% | 100% | 96.95% |
Non-invasive imaging (only Mx) in Baydoun et al. study [3] | 13% | 97% | 89% | 37% |
Non-invasive imaging (only US) in Baydoun et al. study [3] | 73% | 97% | 98% | 64% |
Non-invasive imaging (only MRI) in Istomin et al. study [10] | 85.7% | 71.4% | 60% | 90.9% |
Mx + US + MRI in Srivasan et al. study [2] | 67.6% | 75% | 76% | 66.3% |