| Stone analysis (n = 7) | Mechanism retained (n = 7) | ||
| Uric acid dependent | Oxalic acid dependent | Calcium dependent | |
| Uric acid (N = 1) | N = 1 |
|
|
| Calcium oxalate (whewellite) (N = 2) |
|
| N = 2 |
| Phosphocalcic (N = 2) |
| N = 2 |
|
| Mix of phosphocalcic and calcium oxalate (whewellite) (N = 2) |
| N = 1 | N = 1 |