| | Actual NAC involvement | Total |
---|
NACi( +) | NACi( −) |
---|
IFP | NACi( +) | 9 | 3 | 12 |
NACi( −) | 5 | 95 | 100 |
Total | | 14 | 98 | 112 |
- Sensitivity 64.3%, specificity 96.9%, FPR 3.1%, FNR 35.7%, accuracy 92.9%
- Abbreviations: FNR, false-negative rate; FPR, false-positive rate; NACi, nipple-areola complex involvement; IFP, intraoperative frozen pathology