Table 1 Patients' characteristics.
From: Mutations in epidermal growth factor receptor and K-ras in Chinese patients with colorectal cancer
| Â | Number (%) |
|---|---|
Number of patients | 101 (100) |
Sex | Â |
   Male | 59 (58.4) |
   Female | 42 (41.6) |
Sub-localization | Â |
   Colon | 54 (53.5) |
   Rectum | 47 (46.5) |
Adenocarcinoma | Â |
   Tubular/papillary | 32 (31.7) |
   Mucinous | 12 (11.9) |
   Others | 57 (56.4) |
Differentiation | Â |
   Good | 2 (2.0) |
   Moderate | 69 (68.3) |
   Poor | 11 (10.9) |
   Unknown | 19 (18.8) |
Stage (UICCa) | Â |
   I | 7 (6.9) |
   II | 20 (19.8) |
   III | 49 (48.5) |
   IV | 25 (24.8) |