Table 1.
Subject characteristics.
| Variable | Controls | CRC | |
|---|---|---|---|
| Number of subjects | 67 | 48 | |
| Age, median (range), years | 48 (19–65) | 71 (32–90) | |
| Gender, n (% female) | 18 (27%) | 24 (50%) | |
| BMI, median (range), kg/m2 | 26.2 (21.7–31.7) | 26.6 (17.6–37.9) | |
| Tumor location, n (%) | Colon | - | 41 (85%) |
| Rectum | - | 7 (15%) | |
| Tumor stage, n (%) | Stage 1 | - | 7 (15%) |
| Stage 2 | - | 25 (52%) | |
| Stage 3 | - | 9 (19%) | |
| Stage 4 | - | 4 (8%) | |
| N/A | - | 3 (6%) | |
| TNM classes, n (%) | T1N0M0 | - | 1 (2%) |
| T2N0M0 | - | 6 (13%) | |
| T2N1M0 | - | 1 (2%) | |
| T3N0M0 | - | 23 (49%) | |
| T3N1M0 | - | 1 (2%) | |
| T3N0M1 | - | 2 (4%) | |
| T3N1M0 | - | 2 (4%) | |
| T3N1M1 | - | 1 (2%) | |
| T3N2M0 | - | 3 (6%) | |
| T3N2M1 | - | 1 (2%) | |
| T4N0M0 | - | 2 (4%) | |
| T4N1M0 | - | 2 (4%) | |
| N/A | - | 3 (6%) | |
| VI, n (%) | No | - | 17 (36%) |
| Yes | - | 27 (56%) | |
| N/A | - | 4 (8%) | |
CRC: colorectal cancer; BMI: body mass index; TNM: T: tumor, N: node, M: metastasis; VI: venous invasion