Table 1 Comparison of baseline data between groups
Parameters | Groups | P values | ||
|---|---|---|---|---|
CRCs (n = 60) | BIDs (n = 60) | HCs (n = 60) |  | |
Age (x ± s, years old) | 61.4 ± 8.8 | 59.2 ± 14.3 | 58.5 ± 13.2 |  > 0.05 |
Genders | ||||
 Male | 38 | 36 | 39 |  > 0.05 |
 Female | 22 | 24 | 21 | |
 BMI (x ± s, kg/m2) | 23.1 ± 2.5 | 23.3 ± 2.7 | 22.3 ± 3.2 |  > 0.05 |
History of smoking | ||||
 Yes | 34 | 32 | 27 |  > 0.05 |
 No | 26 | 28 | 33 | |
History of drinking | ||||
 Yes | 35 | 33 | 29 |  > 0.05 |
 No | 25 | 27 | 31 | |
History of familial inheritance | ||||
 Yes | 22 | 20 | 18 |  > 0.05 |
 No | 38 | 40 | 42 | |