Table 4 Disease-free survival events and number of deaths among subjects with a false-negative frozen section of sentinel nodes (FNSN) and controls
From: False-negative frozen section of sentinel nodes in early breast cancer (cT1-2N0) patients
| Â | Control (n = 60) | FNSN (n = 20) | P value |
|---|---|---|---|
Disease-free survival events* | 54 | 18 | > 0.999 |
Breast cancer metastasis events | 3 (5%) | 0 | 0.569 |
 Lung | 2 (3%) | 0 | > 0.999 |
 Liver | 2 (3%) | 0 | > 0.999 |
 Bone | 3 (5%) | 0 | 0.569 |
 Brain | 1 (2%) | 0 | > 0.999 |
 Regional lymph nodes (axillary and/or internal mammary chains) | 1 (2%) | 0 | > 0.999 |
 Distant lymph nodes | 2 (3%) | 0 | > 0.999 |
 Local recurrence | 1 (2%) | 0 | > 0.999 |
Nonbreast cancer deaths | 3 (5%) | 2 (10%) | 0.594 |
 Other malignancies | 2 (3%) | 1 (5%) | > 0.999 |
 Sepsis | 1 (2%) | 0 | > 0.999 |
 Unknown | 0 | 1 (5%) | 0.250 |
Breast cancer-related deaths | 2 (3%) | 0 | > 0.999 |