Table 1. Characteristics of screening-detected colorectal cancer.
| Total (n = 339) | Tumor location | P-value | ||
| Right-sided (n = 127) | Left-sided (n = 212) | |||
| Age at diagnosis (years) | 71.5 ± 8.97 | 72.5 ± 9.27 | 70.9 ± 8.77 | 0.063 |
| Sex, n (%) | ||||
| Male | 175 | 44 (34.6) | 131 (61.8) | < 0.01 |
| Female | 164 | 83 (65.4) | 81 (38.2) | |
| Stage, n (%) | ||||
| Early | 173 (51.0) | 53 (41.7) | 120 (56.6) | < 0.01 |
| Advanced | 166 (49.0) | 74 (58.3) | 92 (43.4) | |
| Screening history, n (%) | ||||
| First time | 138 (40.7) | 39 (30.7) | 99 (46.7) | < 0.01 |
| Negative result previous year | 102 (30.1) | 54 (42.5) | 48 (22.6) | |
| Other | 99 (29.2) | 34 (26.8) | 65 (30.7) | |
| Symptoms, n (%) | ||||
| (+) | 112 (33.0) | 30 (23.6) | 82 (38.7) | < 0.01 |
| (–) | 227 (67.0) | 97 (76.4) | 130 (61.3) | |