| Non-OSNA group | OSNA group | (Fishers exact test) |
Pre-operative Axillary Status | |||
Negative | 128 | 217 | P = 0.34 |
Positive | 9 | 23 | |
Results of Axillary Surgery (US Neg) | |||
Negative | 98 | 161 | P = 0.70 |
Macro-metastases | 28 | 33 | P = 0.14 |
Micro-metastases | 2 | 23 | P = 0.001 |
Overall Axillary Status | |||
Negative | 98 | 161 | P = 0.42 |
Positive |
|
|
|
a) Macro-metastases | 37 | 56 | P = 0.457 |
b) Micro-metastases | 2 | 23 | P = 0.001 |