Table 1 Patient and hospital characteristics before and after 1/1/2011. The closure of the high dose arms of RTOG 0617 was announced on June 17, 2011
Study sample characteristics | NODA 2004–2010 (N = 1290) | NODA 2011–2013 (N = 443) | P value* |
|---|---|---|---|
No. (%) | No. (%) | ||
Age | |||
≤ 67 yo | 663 (51.4) | 230 (51.9) | 0.85 |
> 67 yo | 627 (48.6) | 213 (48.1) | |
Sex | |||
Male | 750 (58.1) | 269 (60.7) | 0.91 |
Female | 540 (41.9) | 174 (39.3) | |
Race | |||
White | 1127 (87.4) | 375 (84.6) | 0.12 |
Non-white | 152 (11.8) | 68 (14.7) | |
Missing | 11 (0.8) | 3 (0.7) | |
Histology | |||
Squamous | 519 (40.2) | 226 (51.0) | <0.0001 |
Non-Squamous | 771 (59.8) | 217 (49.0) | |
Derived AJCC v6 T-stagea | |||
T0-2 | 862 (66.8) | 292 (65.9) | 0.42 |
T3 | 392 (30.4) | 146 (33.0) | |
Missing | 36 (2.8) | 5 (1.1) | |
Charlson/Deyo Score | |||
0 | 863 (66.9) | 195 (60.7) | 0.04 |
1 | 319 (24.7) | 96 (28.0) | |
2+ | 108 (8.4) | 34 (11.3) | |
Hospital type | |||
Community | 1047 (81.2) | 374 (84.4) | 0.12 |
Academic | 243 (18.8) | 69 (15.6) | |
Hospital setting | |||
Metro | 1065 (82.6) | 378 (85.3) | 0.17 |
Non-metro | 225 (17.4) | 65 (14.7) | |