Table 2. Summary of multivariate Cox analysis and Kaplan Meier univariate analysis.
| Name | Cox multivariate analysis | Kaplan-meier univariate analysis | ||||||
|---|---|---|---|---|---|---|---|---|
| Parameter estimante | Std error | 95% CI | P-value | Sub-class | Pts number | 5-Years OS (%) | P-value | |
| Age | .0156 | .0046 | .0065~.0246 | .0008 | <50 | 565 | 75.9 | .003 |
| 51~60 | 574 | 73.7 | ||||||
| 61~70 | 489 | 74.9 | ||||||
| >70 | 170 | 65.1 | ||||||
| Sex | .2235 | .1008 | .0258~.4211 | .0267 | Female | 751 | 76.0 | .039 |
| Male | 1047 | 72.4 | ||||||
| ECOG | .2455 | .1261 | .0033~.4943 | .0531 | 0 | 549 | 79.6 | <.0001 |
| 1-2 | 816 | 68.1 | ||||||
| Grade of histology | .4582 | .1092 | .2442~.6723 | <.0001 | 1 | 117 | 86.4 | <.0001 |
| 2 | 1378 | 76.2 | ||||||
| 3 | 247 | 57.2 | ||||||
| RTCT | −.2532 | .1142 | −.4770~-.0292 | .0267 | No | 380 | 70.7 | .015 |
| Yes | 1415 | 74.9 | ||||||
| pT stage | .4117 | .1272 | .1624~.6609 | .0012 | T1 | 23 | 90.9 | <.0001 |
| T2 | 165 | 78.1 | ||||||
| T3 | 1543 | 73.9 | ||||||
| T4 | 64 | 55.6 | ||||||
| pN stage | .6254 | .0683 | .4915~.7592 | <.0001 | N0 | 745 | 84.9 | <.0001 |
| N1 | 607 | 73.4 | ||||||
| N2 | 425 | 54.6 | ||||||
| Residual tumor | .6316 | .0882 | .4587~.8044 | .0001 | R0 | 1706 | 75.8 | <.0001 |
| R1 | 14 | 52.7 | ||||||
| R2 | 59 | 24.4 | ||||||
| adjuvant CT cycles | −.0534 | .0161 | −.0849~−.0219 | .0009 | 0~5 | 1151 | 72.6 | .026 |
| >5 | 585 | 75.9 | ||||||
| RT interruption days | .0169 | .0059 | .0053~.0285 | .0045 | 0-1 | 1619 | 74.6 | .044 |
| >1 | 90 | 67.5 | ||||||
| IMRT | −.2508 | .1244 | −.4949~0.0066 | .0441 | Yes | 590 | 76.0 | .052 |
| No | 1013 | 72.4 | ||||||