Table 4. Size and number of gallbladder polyps in relation to the risk of colorectal neoplasia.
| Variables | CRN (-) group (n=3,368) | CRN (+) group (n=1,258) | Univariate analysis | Multivariate analysis | |||
|---|---|---|---|---|---|---|---|
| OR (95% CI) | P value | OR (95% CI) | P value | ||||
| Gallbladder polyp | |||||||
| Size | No polyp | 3,118 | 1,139 | 1 | 0.008 | 1 | 0.022 |
| Small (<5 mm) | 196 | 80 | 1.17 (0.89-1.55) | 0.267 | 1.12 (0.85-1.46) | 0.422 | |
| Large (≥5 mm) | 54 | 39 | 1.93 (1.26-2.93) | 0.002 | 1.79 (1.15-2.77) | 0.010 | |
| Number | No polyp | 3,118 | 1,139 | 1 | 0.089 | 1 | 0.065 |
| Single | 160 | 74 | 1.27 (0.95-1.68) | 0.104 | 1.24 (0.92-1.67) | 0.157 | |
| Multiple ( ≥ 2) | 90 | 45 | 1.46 (0.99-2.14) | 0.054 | 1.34 (0.93-1.93) | 0.121 | |
CRN, colorectal neoplasia; OR, odds ratio; CI, confidence interval.