Characteristics | No. of patients (%) (n = 379) |
---|---|
Age, years†|  |
 ≤ 60 | 128 (33.8%) |
 > 60 | 251 (66.2%) |
Sex | Â |
 Male | 221 (58.3%) |
 Female | 158 (41.7%) |
Operative procedure | Â |
 Left thoracotomy | 253 (66.8%) |
 Ivor-Lewis/Three-field technique‡ | 126 (33.2%) |
Tumor location | Â |
 Upper | 20 (5.3%) |
 Middle | 260 (68.6%) |
 Lower | 99 (26.1%) |
Tumor Grade | Â |
 Grade 1 | 80 (21.1%) |
 Grade 2 | 250 (65.9%) |
 Grade 3 | 49 (13.0%) |
Pathological T status | Â |
 T1 | 39 (10.3%) |
 T2 | 213 (56.2%) |
 T3 | 127 (33.5%) |
Pathological N status | Â |
 N0 | 127 (33.5%) |
 N1 | 252 (66.5%) |
Pathological TNM stage | Â |
 Stage IIA | 127 (33.5%) |
 Stage IIB | 252 (66.5%) |
Cyfra21-1 level | Â |
 Low (≤3.30 ng/ml) | 198 (52.2%) |
 High (>3.30 ng/ml) | 181 (47.8%) |
SCC-Ag level | Â |
 Low (≤1.5 μg/L) | 103 (27.2%) |
 High (>1.5 μg/L) | 276 (72.8%) |