Table 1.
Clinical characteristics of all participants.
| Clinical characteristics |
CRC (n = 37) |
CA (n = 22) |
NC (n = 42) |
|---|---|---|---|
| Age, n (%) | |||
| ≤55 years | 6 (16.2) | 8 (36.4) | 22 (52.4) |
| >55 years | 31 (83.8) | 14 (63.6) | 20 (47.6) |
| Gender, n (%) | |||
| Male | 28 (75.7) | 19 (86.4) | 32 (76.2) |
| Female | 9 (24.3) | 3 (13.6) | 10 (23.8) |
| Tumor size, n (%) | |||
| ≤2 cm | 11 (29.7) | 13 (59.1) | / |
| >2 cm | 26 (70.3) | 9 (40.9) | / |
| Invasive depth, n (%) | |||
| Mucosa | 14 (37.8) | 22 (100.0) | / |
| Submucosa | 23 (62.2) | 0 (0.0) | / |
| Number of lesions, n (%) | |||
| Single site | 2 (5.4) | 1 (4.5) | / |
| Multiple site | 13 (35.1) | 21 (95.5) | / |
| Not clear | 22 (59.5) | 0 (0.0) | / |
| Clinical stage, n (%) | |||
| I | 18 (48.6) | / | / |
| II | 9 (24.3) | / | / |
| III | 8 (21.7) | / | / |
| Not clear | 2 (5.4) | / | / |
| Lymph node metastasis, n (%) | |||
| N | 28 (75.7) | 22 (100.0) | / |
| Y | 9 (24.3) | 0 (0.0) | / |
| Tumor location, n (%) | |||
| Right colon | 8 (21.6) | 5 (22.7) | / |
| Left colon | 17 (45.9) | 9 (40.9) | / |
| Rectum | 11 (29.8) | 5 (22.7) | / |
| Not clear | 1 (2.7) | 3 (13.7) | / |
| Yamada subtype, n (%) | |||
| I | 5 (13.5) | 7 (31.8) | / |
| II | 5 (13.5) | 7 (31.8) | / |
| III | 3 (8.1) | 4 (18.2) | / |
| IV | 2 (5.4) | 4 (18.2) | / |
| Not clear | 22 (59.5) | 0 (0.0) | / |
| Adenoma differentiation status, n (%) | |||
| CA-L | / | 4 (18.2) | / |
| CA-H | / | 15 (68.2) | / |
| SSA | / | 3 (13.6) | / |
| Clinical diagnosis, n (%) | |||
| Gastritis | / | / | 21 (53.3) |
| Cholelithiasis | / | / | 5 (11.1) |
| PHT (portal hypertension) | / | / | 4 (8.9) |
| Polyps | / | / | 5 (11.1) |
| Others | / | / | 7 (15.6) |
CRC, colorectal cancer; CA, colorectal adenoma; SSA, sessile serrated adenoma.