Table 4: Multivariable logistic regression analysis of factors predicting a complete pathological response.
| Variable | TRG | |||
| 0 | 1 | 2 | 3 | |
| p-values | ||||
| Age | 0.0950454 | 0.06771895 | 0.06252246 | 0.1706165 | 
| Gender | 0.13189424 | 0.15848806 | 0.04351153 | 0.8954164 | 
| Interval surgery (weeks) | 0.26220481 | 0.36536117 | 0.25552325 | 0.8852041 | 
| Long course radiotherapy | 0.0859002 | 0.10362699 | 0.06613691 | 0.2428285 | 
| Short course radiotherapy | 0.28750146 | 0.10306972 | 0.23955874 | 0.2360323 | 
| Restorative resection | 0.09651311 | 0.06383882 | 0.12746548 | 0.2047448 | 
| Non-restorative resection | 0.16147961 | 0.1256344 | 0.07687009 | 0.2443389 |