Table 1. Patient and Tumor Characteristics for All Eligible Patients.
| Patient or Tumor Characteristic | No. (%) | ||
|---|---|---|---|
| RT + Chemo + Cetuximab (n = 159) | RT + Chemo (n = 169) | Total (n = 328) | |
| Age, median (range) [Q1-Q3] | 65 (39-87) [57-72] | 63 (32-85) [57-70] | 64 (32-87) [57-71] |
| ≤49 | 8 (5.0) | 10 (5.9) | 18 (5.5) |
| 50-59 | 41 (25.8) | 52 (30.8) | 93 (28.4) |
| 60-69 | 55 (34.6) | 64 (37.9) | 119 (36.3) |
| 70-79 | 48 (30.2) | 35 (20.7) | 83 (25.3) |
| ≥80 | 7 (4.4) | 8 (4.7) | 15 (4.6) |
| Sex | |||
| Male | 130 (81.8) | 146 (86.4) | 276 (84.1) |
| Female | 29 (18.2) | 23 (13.6) | 52 (15.9) |
| Race | |||
| American Indian or Alaskan Native | 3 (1.9) | 2 (1.2) | 5 (1.5) |
| Asian | 2 (1.3) | 2 (1.2) | 4 (1.2) |
| Black or African American | 19 (11.9) | 22 (13.0) | 41 (12.5) |
| Native Hawaiian or other Pacific Islander | 1 (0.6) | 0 (0.0) | 1 (0.3) |
| White | 130 (81.8) | 140 (82.8) | 270 (82.3) |
| More than 1 race | 1 (0.6) | 0 (0.0) | 1 (0.3) |
| Unknown | 3 (1.9) | 3 (1.8) | 6 (1.8) |
| Ethnicity | |||
| Hispanic or Latino | 5 (3.1) | 9 (5.3) | 14 (4.3) |
| Not Hispanic or Latino | 145 (91.2) | 153 (90.5) | 298 (90.9) |
| Unknown | 9 (5.7) | 7 (4.1) | 16 (4.9) |
| Zubrod performance status | |||
| 0 | 70 (44.0) | 88 (52.1) | 158 (48.2) |
| 1 | 80 (50.3) | 70 (41.4) | 150 (45.7) |
| 2 | 9 (5.7) | 11 (6.5) | 20 (6.1) |
| T stage (clinical) | |||
| T1 | 3 (1.9) | 4 (2.4) | 7 (2.1) |
| T2 | 27 (17.0) | 31 (18.3) | 58 (17.7) |
| T3 | 121 (76.1) | 124 (73.4) | 245 (74.7) |
| T4 | 8 (5.0) | 10 (5.9) | 18 (5.5) |
| N stage (clinical) | |||
| N0 | 54 (34.0) | 59 (34.9) | 113 (34.5) |
| N1 | 105 (66.0) | 110 (65.1) | 215 (65.5) |
| M stage (clinical) | |||
| M0 | 134 (84.3) | 147 (87.0) | 281 (85.7) |
| M1a | 25 (15.7) | 22 (13.0) | 47 (14.3) |
| Cancer lesion size, cma | |||
| <5 | 71 (44.7) | 77 (45.6) | 148 (45.1) |
| ≥5 | 88 (55.3) | 92 (54.4) | 180 (54.9) |
| Histologic findingsa | |||
| Adenocarcinoma | 100 (62.9) | 103 (60.9) | 203 (61.9) |
| Squamous cell | 59 (37.1) | 66 (39.1) | 125 (38.1) |
| Celiac nodes statusa | |||
| Present | 28 (17.6) | 34 (20.1) | 62 (18.9) |
| Absent | 131 (82.4) | 135 (79.9) | 266 (81.1) |
Abbreviations: Q1, first quartile; Q3, third quartile; RT, radiation therapy.
a
Stratification factor.