| Total | P | Training cohort (n = 129) | Validation cohort (n = 78) | P |
---|---|---|---|---|---|
Age (median, [interquartile range]) | 66, [55-69] | – | 66, [56-70] | 64, [51-68] | 0.103 |
Sex | |||||
 male | 132 | < 0.001 | 80 | 52 | 0.599 |
 female | 75 |  | 49 | 26 |  |
Response to nCRT | |||||
 good responders | 88 | 0.031 | 59 | 29 | 0.288 |
 poor responders | 119 |  | 70 | 49 |  |