Table 1.
Characteristic | Non-CCT (%) | CCT (%) | p-value |
---|---|---|---|
Gender | |||
Male | 83 (92.2) | 87 (77.0) | 0.003 |
Female | 7 (7.8) | 26 (23.0) | |
Age | 0.005 | ||
< 60 years | 48 (53.3) | 82 (72.6) | |
≥ 60 years | 42 (46.7) | 31 (27.4) | |
Weight loss | 0.941 | ||
< 5 % | 74 (82.2) | 90 (81.8) | |
≥ 5 % | 16 (17.8) | 20 (18.2) | |
Smoking indexa | 0.031 | ||
≤ 400 | 28 (31.1) | 52 (46.0) | |
> 400 | 62 (68.9) | 61 (54.0) | |
Pretreatment hemoglobin | 0.306 | ||
< 120 g/L | 2 (2.2) | 7 (6.2) | |
≥ 120 g/L | 88 (97.8) | 106 (93.8) | |
Pretreatment KPS | 0.697 | ||
< 80 | 6 (6.7) | 5 (4.4) | |
≥ 80 | 84 (93.3) | 108 (95.6) | |
Stage | 0.146 | ||
IIIa | 35 (38.9) | 33 (29.2) | |
IIIb | 55 (61.1) | 80 (70.8) | |
Histology subtype | 0.545 | ||
SCC | 61 (67.8) | 72 (63.7) | |
Non-SCC | 29 (32.2) | 41 (36.3) | |
Pretreatment CEA | 0.729 | ||
< 5 ng/ml | 50 (68.5) | 62 (66.0) | |
≥ 5 ng/ml | 23 (31.5) | 32 (34.0) | |
PET scan staging | |||
Yes | 25 (27.8) | 28 (24.8) | 0.629 |
No | 65 (72.2) | 85 (75.2) | |
Radiotherapy technique | 0.010 | ||
3D-CRT | 26 (28.9) | 16 (14.2) | |
IMRT | 64 (71.1) | 97 (85.8) | |
Radiotherapy dose | 0.342 | ||
≥ 60 Gy | 71 (78.9) | 95 (84.1) | |
< 60 Gy | 19 (21.1) | 18 (15.9) | |
Concurrent chemotherapy | 0.010 | ||
EP | 36 (40.0) | 63 (55.8) | |
PC | 49 (54.4) | 38 (33.6) | |
others | 5 (5.6) | 12 (10.6) | |
Response | 0.559 | ||
CR + PR | 72 (80.0) | 94 (83.2) | |
SD | 18 (20.0) | 19 (16.8) |
CCT consolidation chemotherapy, CEA carcinoembryonic antigen, KPS Karnofsky performance status, PET positron emission tomography, SCC squamous cell carcinoma
aSmoking index is the number of cigarettes smoked per day × the number of cigarette-years