Table 1 Basic characteristics of 268 patients and their tumors
Variables | Value |
|---|---|
Age (years) Male | 61.25 ± 7.056 221 (82.4%) |
Female | 47 (17.5%) |
Location | |
Upper | 15 (5.5%) |
Mid | 176 (65.6%) |
Lower | 77 (28.7%) |
Differentiation | |
Well-differentiated | 53 (19.7%) |
Moderately differentiated | 148 (55.2%) |
Poorly differentiated | 67 (25%) |