Table 1.
Demographic and clinical characteristics of 836 patients n (%)
| Characteristics | n = 836 |
| Female | 449 (54) |
| Age (yr) | 47 ± 12.3 |
| Indication for surgery1 | |
| Size ≥ 10 mm | 695 (83) |
| Increased size2 | 184 (22) |
| Abnormal imaging3 | 59 (7) |
| Size of the polyp (mm) | 11.6 ± 3.5 |
| Number of polyps | |
| 1 | 460 (55.0) |
| 2 | 128 (15.3) |
| ≥ 3 | 248 (29.6) |
| BMI (kg/m2) | 26.7 ± 32.1 |
| Total cholesterol (mg/dL) | 172.9 ± 33.2 |
| Total bilirubin (mg/dL) | 0.8 ± 0.6 |
| ALT (U/L) | 32.1 ± 31.3 |
| ALP (U/L) | 61.8 ± 25.9 |
| Fasting glucose (mg/dL) | 110.3 ± 30.4 |
| CA 19-9 (U/mL) | 12.4 ± 38.0 |
| HBsAg positivity | 67 (8.0) |
1
Repetition was allowed;
2
If the polyp size was increased during the follow-up period compared to that in the initial imaging study;
3
Gallbladder wall thickness, irregular margin of the polyp, enhancing nodule. GB: Gallbladder; BMI: Body mass index; ALT: Alanine transaminase; ALP: Alkaline phosphatase; CA19-9: Carbohydrate antigen 19-9; HBsAg: Hepatitis B surface antigen.