Table 2.
Clinicopathological findings for each subgroup for the colorectal lesions examined in this study (cohort 1)
| Cohort 1 (microarray) (%) | Subgroup 1 (%) | Subgroup 2 (%) | Subgroup 3 (%) | p value | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total | 42 | 21 | 13 | 8 | |||||||||
| Sex | |||||||||||||
| Male | 29 | (69) | 15 | (71.4) | 10 | (76.9) | 4 | (50.0) | |||||
| Female | 13 | (31) | 6 | (28.6) | 3 | (23.1) | 4 | (50.0) | N.S | ||||
| Age, median (range), years | 67.0 | (43–81) | 70.0 | (52–80) | 67.0 | (43–81) | 65.5 | (58–73) | |||||
| Location | |||||||||||||
| Left side/right side | 26/16 | 11/10 | 10/3 | 4/4 | N.S | ||||||||
| ** | |||||||||||||
| Histological type | *** | ||||||||||||
| CA | 15 | (35.7) | 14 | (66.7) | 0 | (0) | 1 | (12.5) | |||||
| ** | |||||||||||||
| IMC | 8 | (19) | 7 | (33.3) | 0 | (0) | 1 | (12.5) | |||||
| *** | |||||||||||||
| *** | |||||||||||||
| CRC with an MSS phenotype | 19 | (45.2) | 0 | (0) | 13 | (100) | 6 | (75.0) | < 0.001 | ||||
CA, conventional adenoma; IMC, intramucosal cancer; CRC, colorectal cancer; MSS, microsatellite stable; N.S, not statistically significant
***p < 0.0001; **p < 0.01; *p < 0.05