Table 1.
Baseline characteristics
| Baseline characteristic | CRC (n = 30) | AA (n = 138) | NAA (n = 130) | Controls (n = 84) | P value |
| Age, yr ± SD | 66.5 (5.7) | 64.4 (7.4) | 65.4 (4.9) | 64.8 (8.6) | NS |
| Male, n (%) | 14 (46.7) | 93 (67.4) | 76 (58.5) | 37 (44) | a |
| BMI, kg/m2 ± SD | 27.8 (5.6) | 28 (4.8) | 27.2 (4.7) | 27.2 (4.7) | b |
| Smoking, n (%) | 3 (10) | 22 (15.9) | 15 (11.5) | 8 (9.5) | NS |
| No | 9 (30) | 65 (47.1) | 54 (41.5) | 34 (40.5) | |
| Unknown | 18 (60) | 51 (37) | 61 (47) | 42 (50) | |
| Alcohol, n (%) | 5 (16.7) | 48 (34.8) | 40 (30.7) | 24 (28.6) | NS |
| No | 7 (23.3) | 37 (26.8) | 29 (22.3) | 18 (21.4) | |
| Unknown | 18 (60) | 53 (38.4) | 61 (47) | 42 (50) | |
| CRC TNM stadium, n (%) | |||||
| T1N0M0 | 12 (40) | ||||
| T2N0M0 | 7 (23.3) | ||||
| T3N0M0 | 3 (10) | ||||
| T1N1M0 | 1 (3.3) | ||||
| T2N1M0 | 3 (10) | ||||
| T3N1M0 | 4 (13.3) |
AA, advanced adenoma; BBPS, Boston Bowel Preparation Scale; BMI, body mass index; CRC, colorectal cancer; NAA, nonadvanced adenoma; NS, not significant.
a
CRC vs AA (P = 0.032), AA vs controls (P = 0.001), NAA vs controls (P = 0.039).
b
AA vs controls (P = 0.026).