Table 1.
Clinical characteristics of controls, colorectal polyps, and CRC patients
| Characteristics | Controls (n = 32) | Polyps (n = 20) | CRC (n = 79) | Stage group | |||
|---|---|---|---|---|---|---|---|
| I (n = 20) | II (n = 19) | III (n = 20) | IV (n = 20) | ||||
| Age (years) | |||||||
| Median (Range) | 52 (25–76) | 67.5 (38–86) | 60.5 (19–88) | 58 (19–88) | 70 (47–87) | 70 (45–84) | 57 (29–82) |
| Sex, n (%) | |||||||
| Male (%) | 16 (50) | 10 (50) | 39 (49) | 10 | 10 | 9 | 10 |
| Female (%) | 16 (50) | 10 (50) | 40 (51) | 10 | 9 | 11 | 10 |
| BMI | |||||||
| Median (Range) | 27.1 (20.24–40.66) | 26.74 (19.97–36.14) | 26.54 (16.02–52.6) | 26.41 | 27.09 | 27.63 | 26.11 |
| Histology | |||||||
| Adeno | 74 | 20 | 19 | 16 | 19 | ||
| Mucinous adeno | 5 | 0 | 0 | 4 | 1 | ||
| Histological grade | |||||||
| Moderately differentiated | 15 | 5 | 5 | 2 | 3 | ||
| Poorly differentiated | 60 | 14 | 12 | 17 | 17 | ||
| Undifferentiated | 2 | 0 | 2 | 0 | 0 | ||
| Unknown | 2 | 1 | 0 | 1 | 0 | ||
| T stages | |||||||
| T1 | 7 | 6 | 0 | 1 | 0 | ||
| T2 | 20 | 14 | 0 | 6 | 0 | ||
| T3 | 43 | 0 | 18 | 12 | 13 | ||
| T4 | 8 | 0 | 1 | 1 | 6 | ||
| Unknown | 1 | 0 | 0 | 0 | 1 | ||
| Lymph node metastasis | |||||||
| Yes | 37 | 0 | 0 | 20 | 17 | ||
| No | 40 | 20 | 19 | 0 | 1 | ||
| Unknown | 2 | 0 | 0 | 0 | 2 | ||
| Distant metastasis | |||||||
| M1 | 20 | 0 | 0 | 0 | 20 | ||
| M0 | 59 | 20 | 19 | 20 | 0 | ||
| Tumor location | |||||||
| Right colon | 21 | 5 | 6 | 5 | 5 | ||
| Left colon | 29 | 7 | 7 | 7 | 8 | ||
| Rectum | 29 | 8 | 6 | 8 | 7 | ||
| Postop chemo/Radiationa | |||||||
| Yes | 40 | 1 | 7 | 16 | 16 | ||
| No | 37 | 19 | 12 | 4 | 2 | ||
| Unknown | 2 | 0 | 0 | 0 | 2 | ||
a
Three stage III and one stage IV rectal cancer patients were also treated with neoadjuvant chemoradiotherapy.