Table 1 Demographic characteristics of the study population
Variable | |
|---|---|
Gender, n (%) | 201 (100) |
Male | 174 (86.6) |
Female | 27 (13.4) |
Age, years | |
Range | 31 to 78 |
Median | 59 |
< 65, n (%) | 156 (77.6) |
≥ 65, n (%) | 45 (22.4) |
Pathologic T classification, n (%) | |
T1 | 91 (45.3) |
T2 | 110 (54.7) |
Grade, n (%) | |
Well or moderately differentiated | 158 (78.6) |
Poorly differentiated or undifferentiated | 43 (21.4) |
Tumor length | |
Mean ± SD | 4.0 ± 2.5 |
≤ 30 mm, n (%) | 115 (57.2) |
> 30 mm, n (%) | 86 (42.8) |
Surgical procedure, n (%) | |
Ivor-Lewis | 168 (83.6) |
Tri-incisional | 25 (12.4) |
Other | 8 (4.0) |
Tumor location, n (%) | |
Upper third | 12 (5.9) |
Middle third | 102 (50.7) |
Lower third | 87 (43.4) |
No. of examined LNs, n (%) | |
< 18 | 29 (14.4) |
≥ 18 | 172 (85.6) |