TABLE 1.
Patient Characteristics
| Characteristic | Treatment modality | p value | ||
|---|---|---|---|---|
| Surgery (n=2383) | CRT (n=5766) | RT alone (n=1165) | ||
| Age | ||||
| <60 years | 864 (36%) | 2419 (42%) | 271 (23%) | <.0001 |
| ≥60 years | 1519 (64%) | 3347(58%) | 894 (77%) | |
| Gender | ||||
| Male | 1958 (82%) | 4686 (81%) | 852 (73%) | <.0001 |
| Female | 425 (18%) | 1080 (19%) | 313 (27%) | |
| Charlson/Deyo | ||||
| 0 | 1674 (70%) | 4478 (78%) | 857 (73%) | <.0001 |
| 1 | 530 (22%) | 971 (17%) | 210 (18%) | |
| ≥2 | 179 (8%) | 317 (5%) | 98 (8%) | |
| Clinical T | ||||
| 1 | 304 (13%) | 677 (12%) | 279 (24%) | <.0001 |
| 2 | 563 (24%) | 2018 (35%) | 484 (42%) | |
| 3 | 597 (25%) | 1610 (28%) | 207 (18%) | |
| 4 | 857 (36%) | 1297 (22%) | 155 (13%) | |
| unknown | 56 (2%) | 154 (3%) | 37 (3%) | |
| Clinical N | ||||
| 0 | 1061 (44%) | 1193 (21%) | 597 (51%) | <.0001 |
| 1 | 323 (14%) | 1079 (19%) | 168 (14%) | |
| 2 | 863 (36%) | 2963 (51%) | 336 (29%) | |
| 3 | 76 (3%) | 406 (7%) | 32 (3%) | |
| unknown | 60 (3%) | 125 (2%) | 32 (3%) | |
| Overall AJCC stage | ||||
| I | 199 (8%) | 123 (2%) | 191 (16%) | <.0001 |
| II | 333 (14%) | 449 (8%) | 296 (25%) | |
| III | 499 (21%) | 1331 (23%) | 231 (20%) | |
| IV | 50 (2%) | 107 (2%) | 16 (1%) | |
| IVA | 1178 (50%) | 3105 (54%) | 366 (32%) | |
| IVB | 124 (5%) | 651 (11%) | 65 (6%) | |