Table 1 The clinical characteristics of the patients that did RT and did not do RT
Characteristic | Total | Non-LRRT | LRRT | P value |
|---|---|---|---|---|
N (%) | N (%) | N (%) | ||
Age (years) | ||||
≤ 47 | 246 (49.4) | 87 (46.5%) | 159 (51.1%) | 0.355 |
> 47 | 252 (50.6) | 100 (53.5%) | 152 (48.9%) | |
Gender | ||||
Male | 414 (83.1) | 155 (82.9%) | 259 (83.3%) | 1.000 |
Female | 84 (16.9) | 32 (17.1%) | 52 (16.7%) | |
Smoking | ||||
No smoking | 278 (55.8) | 109 (58.3%) | 169 (54.3%) | 0.403 |
Smoking | 220 (44.2) | 78 (41.7%) | 142 (45.7%) | |
Family history | ||||
No | 447 (89.8) | 170 (90.9%) | 277 (89.1%) | 0.545 |
Yes | 51 (10.2) | 17 (9.1%) | 34 (10.9%) | |
T stage | ||||
T1-T2 | 83 (16.7) | 29 (15.5%) | 54 (17.4%) | 0.621 |
T3-T4 | 415 (83.3) | 158 (84.5%) | 257 (82.6%) | |
N stage | ||||
N0-N1 | 103 (20.7) | 30 (16.0%) | 73 (23.5%) | 0.052 |
N2-N3 | 395 (79.3) | 157 (84.0%) | 238 (76.5%) | |
No. of metastatic organs | ||||
1 | 375 (75.3) | 116 (62.0%) | 259 (83.3%) | < 0.001 |
> 1 | 123 (24.7) | 71 (38.0%) | 52 (16.7%) | |
No. of metastatic lesions | ||||
≤ 5 | 338 (67.9) | 97 (51.9%) | 241 (77.5%) | < 0.001 |
> 5 | 160 (32.1) | 90 (48.1%) | 70 (22.5%) | |
EBV-DNA (Copies/ml) | ||||
≤ 25,000 | 214 (43.0) | 59 (31.6%) | 155 (49.8%) | < 0.001 |
> 25,000 | 284 (57.0) | 128 (68.4%) | 156 (50.2%) | |
Chemotherapy regimens | ||||
TPF | 128 (25.7) | 40 (21.4%) | 88 (28.3%) | 0.001 |
TP | 121 (24.3) | 36 (19.3%) | 85 (27.3%) | |
PF | 129 (25.9) | 58 (31.0%) | 71 (22.8%) | |
GP | 27 (5.4) | 18 (9.6%) | 9 (2.9%) | |
Others | 93 (18.7) | 35 (18.7%) | 58 (18.6%) | |