Table 1.
Clinicopathological Characteristics of Colorectal Cancer Patients Included in the Study
| Characteristics | Patients (n = 450) |
|---|---|
| Age (years) | |
| Median ± SD (range) | 62.7 ± 11.5 (27–89) |
| Follow-up time (months) | |
| Median ± SD (range) | 54.9 ± 11.4 (11–77) |
| Gender (male: female) | 283:167 |
| Patients with MAN | 78 (17.3) |
| Operation method, n (%) | |
| Colonoscopic resection | 48 (10.7) |
| Laparoscopic surgery | 85 (18.9) |
| Laparotomy operation | 317 (70.4) |
| Differentiation grade of index cancer, n (%) | |
| Well/Mod | 291 (64.7) |
| Poor | 88 (19.6) |
| Muc | 67 (14.9) |
| Srcc | 2 (0.4) |
| Scc | 2 (0.4) |
Abbreviations: SD, standard deviation; Well, well differentiated adenocarcinoma; Mod, moderately differentiated adenocarcinoma; Poor, poorly differentiated adenocarcinoma; Muc, mucinous adenocarcinoma; Srcc, signet-ring cell carcinoma; Scc, squamous cell carcinoma.