Table 1.
Baseline characteristics of the patient population.
| CRC Patients (n = 943) | Healthy Controls (n = 1076) | |
|---|---|---|
| Age (median, range) | 69 (23–91) | 64.15 (24–92) |
|
Gender Female Male |
338 (35.8%) 605 (64.2%) |
527 (48.98%) 549 (51.02%) |
| Smoke | ||
| Current smoker Former smoker Never smoker Unknown |
119 (12.6%) 386 (40.9%) 413 (43.8%) 26 (2.8%) |
180 (16.73%) 335 (31.13%) 553 (51.39%) 8 (0.74%) |
| TNM stage at diagnosis | ||
| I–II III IV Unknown |
418 (44.3%) 342 (36.3%) 131 (13.9%) 52 (5.5%) |
|
| Tumor location | ||
| Rectum Sigma Cecum Ascending colon Sigmoid colon Descending colon Others* Unknown |
311 (33%) 168 (17.8%) 98 (10.4%) 81 (8.6%) 70 (7.4%) 52 (5.5%) 152 (16.1%) 11 (1.2%) |
|
*colon unspecified, recto-sigma, rectosigmoid junction, sigmoid colon, hepatic flexure, splenic flexure and transvers colon.