Table 1 Baseline characteristics of the patients in this study
Variables | Incidence (SD or %) | |
|---|---|---|
Age mean (SD) | 57 (6.6) | |
No. gender (%) | Male | 53(91.4) |
Female | 5 (8.6) | |
No. clinical T stage (%) | T2 | 7 (12.1) |
T3 | 30 (51.7) | |
T4a | 18 (31.1) | |
T4b | 3 (5.2) | |
No. pathologic T stage (%) | TIS | 1 (1.7) |
T1 | 1 (1.7) | |
T2a | 7 (12.1) | |
T2b | 7 (12.1) | |
T3a | 22 (37.9) | |
T3b | 15 (25.9) | |
T4a | 5 (8.6) | |
No. pathologic N status (%) | N0 | 5 (8.6) |
N1 | 14 (24.1) | |
N2 | 37 (63.8) | |
N3 | 2 (3.4) | |
No. lymphovascular invasion (%) | Yes | 45 (77) |
No | 13 (23) | |
No. strong EGFR expression (%) | Yes | 10 (17.2) |
No | 48 (82.8) |