Table 1 Baseline characteristics of randomly assigned patients.
Characteristics | No. (%) | Group A (n = 88) | Group B (n = 88) | Group C (n = 88) | Group D (n = 88) | p |
|---|---|---|---|---|---|---|
N (%) | N (%) | N (%) | N (%) | |||
Sex | ||||||
Male | 288 (81.8) | 72 (81.8) | 76 (86.4) | 68 (77.3) | 72 (81.8) | 0.486 |
Female | 64 (18.2) | 16 (18.2) | 12 (13.6) | 20 (22.7) | 16 (18.2) | |
Age (years) | ||||||
Median | 61 | 61 | 61 | 61 | 62 | 0.770 |
Range | 35–70 | 35–70 | 40–68 | 40–70 | 41–70 | |
Tumour length (cm) | ||||||
Median | 5.3 | 5 | 5.3 | 6 | 5.6 | 0.130 |
Range | 1.2–15 | 1.5–14 | 2–15 | 1.2–11.2 | 2.9–12 | |
T stage | ||||||
T1 | 11 (3.1) | 1 (1.1) | 2 (2.3) | 6 (6.8) | 2 (2.3) | 0.067 |
T2 | 47 (13.4) | 19 (21.6) | 10 (11.4) | 11 (12.5) | 7 (8.0) | |
T3 | 193 (54.8) | 48 (54.5) | 45 (51.1) | 50 (56.8) | 50 (56.8) | |
T4 | 101 (28.7) | 20 (22.7) | 31 (35.2) | 21 (23.9) | 29 (33.0) | |
N stage | ||||||
N− | 149 (42.3) | 39 (44.3) | 33 (37.5) | 40 (45.5) | 37 (42.0) | 0.730 |
N+ | 203 (57.7) | 49 (55.7) | 55 (62.5) | 48 (54.5) | 51 (58.0) | |
ECOG PS | ||||||
0–1 | 218 (61.9) | 55 (62.5) | 54 (61.4) | 55 (62.5) | 54 (61.4) | 0.995 |
2 | 134 (38.1) | 33 (37.5) | 34 (38.6) | 33 (37.5) | 34 (38.6) | |
Tumour location | ||||||
Cervical | 21 (6.0) | 4 (4.5) | 6 (1.7) | 5 (5.7) | 6 (6.8) | 0.999 |
Upper thoracic | 103 (29.3) | 24 (27.3) | 26 (7.4) | 27 (30.7) | 26 (29.5) | |
Middle thoracic | 195 (55.4) | 51 (58.0) | 48 (13.7) | 47 (53.4) | 49 (55.7) | |
Lower thoracic | 33 (9.4) | 9 (10.2) | 8 (2.3) | 9 (10.2) | 7 (8.0) | |
EGFR expression | ||||||
Unknow | 262 (74.4) | 64 (72.7) | 65 (73.9) | 67 (76.1) | 66 (75.0) | 0.441 |
0 | 16 (4.5) | 2 (2.3) | 5 (5.7) | 2 (2.3) | 7 (8.0) | |
1+ | 23 (6.5) | 6 (6.8) | 8 (9.1) | 6 (6.8) | 3 (3.4) | |
2+ | 31 (8.8) | 9 (10.2) | 6 (6.8) | 6 (6.8) | 10 (11.4) | |
3+ | 20 (5.7) | 7 (8.0) | 4 (4.5) | 7 (8.0) | 2 (2.3) | |
