Table 3.
Overall nodal pathology status (SLN and non-SLN), by patient | ||
---|---|---|
Positive (with one or more nodes) | Negative | |
Pathology status of SLN, by patient | ||
Positive (one or more nodes) | 38 (true positive) | – |
Negative (or no SLNs identified) | 1 (false negative) | 44 (true negative) |
Performance metrics | Rate | 95 % exact binomial CIa |
---|---|---|
False negative rate | 0.0256 | 0.0006–0.1349 |
Negative predictive value | 0.9778 | 0.8823– 0.9994 |
Overall accuracy | 0.9880 | 0.9347– 0.9997 |
Data represent the intent-to-treat population (N = 83)
CI confidence interval, SLN sentinel lymph node
aThe CI for the false negative rate is 95.03 %