| Comparison of mean DFS based on pathological Tumor down staging [T] and Nodal down staging (N) using Independent Student t test | ||||||||
| Variable | Pathological Tumor down staging [T] | N | Mean | SD | Mean Diff | t | P-Value | |
| DFS | Yes | 26 | 9.49 | 2.47 | 1.27 | 1.667 | 0.1 | |
| No | 14 | 8.21 | 1.95 | |||||
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| Pathological Nodal down staging [N] |
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| DFS | Yes | 26 | 10.02 | 1.78 | 2.79 | 4.296 | <0.001* | |
| No | 14 | 7.23 | 2.26 | |||||