Table 1. Patient characteristics.
| Number (%) | |
|---|---|
| Total | 310 |
| Gender | |
| Male | 151 (48.7%) |
| Female | 159 (51.3%) |
| Age | 69.9±12.7 years a |
| Pathologic category of primary tumor (pT) b | |
| pTis | 5 (1.6%) |
| pT1 | 17 (5.5%) |
| pT2 | 60 (19.4%) |
| pT3 | 137 (44.2%) |
| pT4 | 44 (14.2%) |
| pTx (unclassified) | 47 (15.2%) |
| Grade c | |
| well differentiated | 42 (13.5%) |
| moderately differentiated | 149 (48.1%) |
| poorly differentiated | 67 (21.6%) |
| unclassified | 52 (16.8%) |
| Platelet count (×10 3/µL) | |
| ≥ 400 | 25 (8.1%) |
| < 400 | 285 (91.9%) |
a: Data presented as mean ± SD; b: staging according to AJCC Cancer Staging Manual 7 th Edition); c: Grading according to WHO grading system