Table II.
Analysis of demographic and clinicopathological characteristics according to serum carbohydrate antigen 19-9 (CA19-9) levels in patients with colorectal cancer.
| Characteristics | CA19-9 | P-value for trend | |
|---|---|---|---|
|
| |||
| <37 ng/ml | ≥37 ng/ml | ||
| Gender | 0.430 | ||
| Female | 103 (43.8) | 25 (38.5) | |
| Male | 132 (56.2) | 40 (61.5) | |
| Age (years) | 0.830 | ||
| <60 | 112 (47.7) | 30 (46.2) | |
| ≥60 | 123 (52.3) | 35 (53.8) | |
| Blood transfusion | 0.509 | ||
| No | 175 (74.5) | 51 (78.5) | |
| Yes | 60 (25.5) | 14 (21.5) | |
| Ascites | 0.021 | ||
| No | 215 (91.5) | 53 (81.5) | |
| Yes | 20 (8.5) | 12 (18.5) | |
| Tumor size (cm) | 0.357 | ||
| ≤5 | 145 (61.7) | 36 (55.4) | |
| >5 | 90 (38.3) | 29 (44.6) | |
| Tumor location | 0.119 | ||
| Colon | 101 (43) | 35 (53.8) | |
| Rectum | 134 (57) | 30 (46.2) | |
| Peritoneal metastasis | 0.817 | ||
| No | 229 (97.4) | 63 (96.9) | |
| Yes | 6 (2.6) | 2 (3.1) | |
| Liver metastasis | 0.178 | ||
| No | 221 (94) | 58 (89.2) | |
| Yes | 14 (6) | 7 (10.8) | |
| TNM stage | 0.007 | ||
| I | 42 (17.9) | 2 (3.1) | |
| II | 100 (42.6) | 25 (38.5) | |
| III | 76 (32.3) | 30 (46.2) | |
| IV | 17 (7.2) | 8 (12.3) | |
| Histological differentiation | 0.290 | ||
| High | 20 (8.5) | 3 (4.6) | |
| Moderate | 192 (81.7) | 52 (80) | |
| Poor | 23 (9.8) | 10 (15.4) | |
Data in parentheses represent percentage values.