Table 1.
Clinicopathological findings for the colorectal lesions examined in this study
| Cohort 1 (Microarray) (%) | Cohort 2 (Validation test) (%) | p value | |||
|---|---|---|---|---|---|
| Total | 42 | 37 | |||
| Sex | |||||
| Male | 29 | (69.0) | 15 | (40.5) | |
| Female | 13 | (31.0) | 22 | (59.5) | < 0.05 |
| Age, median (range), years | 67.0 | (43–81) | 66.0 | (46–85) | N.S |
| Location | |||||
| Left side/right side | 26/16 | 21/16 | N.S | ||
| Histological type | |||||
| CA | 15 | (35.7) | 15 | (40.5) | |
| IMC | 8 | (19) | 8 | (21.6) | |
| CRC with an MSS phenotype | 19 | (45.2) | 14 | (37.8) | N.S |
| Metastasis of lymph node | |||||
| Positive | 9 | (21.4) | 4 | (10.8) | |
| Negative | 33 | (78.9) | 33 | (89.2) | N.S |
| Lymphatic invasion | |||||
| Positive | 9 | (21.4) | 7 | (18.9) | |
| Negative | 33 | (78.9) | 30 | (81.1) | N.S |
| Vascular invasion | |||||
| Positive | 12 | (28.6) | 8 | (21.6) | |
| Negative | 30 | (65.2) | 29 | (78.4) | N.S |
CA, conventional adenoma; IMC, intramucosal cancer; CRC, colorectal cancer; MSS, microsatellite stable; N.S, not statistically significant