| Ultrasound findings | Age groups (years old) | |||||||
| Age groups | 25 - 45 | 46 - 65 | 66 - 85 | > 86 | ||||
|
| N | % | N | % | N | % | N | % |
| Biliary stones | 42 | 77.8 | 38 | 63.3 | 5 | 20.8 | 7 | 58.3 |
| Abdominal masses | 9 | 16.6 | 22 | 36.7 | 16 | 66.7 | 2 | 16.7 |
| Others | 3 | 5.6 | 0 | 0 | 3 | 12.5 | 3 | 25 |
| Total | 54 | 100 | 60 | 100 | 24 | 100 | 12 | 100 |
| P-value | 0.002 | |||||||