| Non-OSNA Group (n = 137) | OSNA Group (n = 240) |
|
1) Age (mean in years +/− SD) | 60.8 (+/− 12) | 61.4 (+/− 12) | P = 0.642* |
2) Tumour Grade (mode) | 2 | 2 | P = 0.58** |
3) Tumour Size (mean in mm +/− SD) | 18.9 (+/− 11.1) | 16.9 (+/− 10.7) | P = 0.1* |
4) Total Nodes Involved (mean +/− SD) | 0.77 (+/− 2.5) (range 0 - 23) | 0.86 (+/− 2.5) (range 0 - 23) | P = 0.74* |