Table 1 Patient characteristics
Chemotherapy group | Chemoradiotherapy group | ||||
|---|---|---|---|---|---|
(n = 489) | (n = 75) | P | |||
Cancer staging | |||||
N factor | 0.12 | ||||
N1 | 243 | (49.7) | 30 | (40.0) | |
N2 | 246 | (50.3) | 45 | (60.0) | |
T factor | 0.31 | ||||
T0–1 | 203 | (41.5) | 37 | (49.3) | |
T2 | 192 | (39.3) | 21 | (28.0) | |
T3–4 | 90 | (18.4) | 16 | (21.3) | |
Tx | 4 | (0.8) | 1 | (1.3) | |
Age (years) | 0.97 | ||||
18–49 | 24 | (4.9) | 3 | (4.0) | |
50–64 | 149 | (30.5) | 22 | (29.3) | |
65–74 | 242 | (49.5) | 39 | (52.0) | |
≥ 75 | 74 | (15.1) | 11 | (14.7) | |
Sex | 0.038 | ||||
Male | 379 | (77.5) | 66 | (88.0) | |
Female | 110 | (22.5) | 9 | (12.0) | |
Body mass index (kg/m2) | 0.83 | ||||
< 18.5 | 33 | (6.8) | 7 | (9.3) | |
18.5–24.9 | 325 | (66.5) | 48 | (64.0) | |
≥ 25 | 127 | (26.0) | 19 | (25.3) | |
Missing | 4 | (0.8) | 1 | (1.3) | |
Charlson comorbidity index | 0.32 | ||||
0–2 | 316 | (64.6) | 44 | (58.7) | |
≥ 3 | 173 | (35.4) | 31 | (41.3) | |
Activity of daily life (Barthel index) | 0.99 | ||||
Independent (100–95) | 465 | (95.1) | 71 | (94.5) | |
Dependent (≤90) | 12 | (2.5) | 2 | (2.7) | |
Missing | 12 | (2.5) | 2 | (2.7) | |