TABLE 2.
Treatment characteristics n = 602
| Black (n = 366) | White (n = 236) | P value | |
|---|---|---|---|
| RT timing | .05 | ||
| Postoperative | 115 (31.4%) | 93 (39.4%) | |
| Definitive | 251 (68.6%) | 143 (60.5%) | |
| Induction chemotherapy | .15 | ||
| Yes | 108 (29.5%) | 57 (24.2%) | |
| No | 258 (70.5%) | 179 (75.8%) | |
| Concurrent chemotherapy | .72 | ||
| Yes | 221 (60.3%) | 139 (58.9%) | |
| No | 139 (38.0%) | 97 (41.1%) | |
| Not stated | 6 (1.6%) | 0 (0%) | |
| Intensity modulated RT | .11 | ||
| Yes | 160 (43.7%) | 119 (50.4%) | |
| No | 206 (56.3%) | 117 (49.6%) | |
| RT delay | .70 | ||
| Yes | 97 (26.5%) | 56 (23.7%) | |
| No | 257 (70.2%) | 160 (67.8%) | |
| Not stated | 12 (3.3%) | 20 (8.5%) | |
| Truncated RT course | .01 | ||
| Yes | 12 (3.3%) | 19 (8.1%) | |
| No | 354 (96.7%) | 216 (91.9%) | |
| Era of RT | .63 | ||
| 1990–1997 | 66 (18.0%) | 49 (20.7%) | |
| 1998–2004 | 162 (44.3%) | 97 (41.1%) | |
| 2005–2012 | 38 (37.7%) | 90 (38.1%) |
RT = radiotherapy