Age group (years) | Cholesterol stones (CS) | Mixed stones (MS) | Pigment stones (PS) | Total (%) |
<30 | 0 | 1 | 5 | 06 (6.4) |
31 - 40 | 3 | 10 | 10 | 23 (24.5) |
41 - 50 | 9 | 10 | 22 | 41 (43.6) |
51 - 60 | 2 | 6 | 6 | 14 (14.9) |
61 - 70 | 2 | 1 | 5 | 08 (8.5) |
71 - 80 | 0 | 2 | 0 | 2 (2.1) |
Total | 16 | 30 | 48 | 94 (100) |