| Location of stone | Number (Sex)
| Total (%) | |
| Male Female | |||
| Upper calix | 7 | 10 | 17 (9.8) |
| Middle calix | 16 | 6 | 22 (12.7) |
| Distal calix | 13 | 5 | 18 (10.4) |
| Renal pelvis | 27 | 10 | 37 (21.4) |
| Upper ureter | 10 | 14 | 24 (13.9) |
| Middle ureter | 6 | 2 | 8 (4.6) |
| Distal ureter | 17 | 10 | 27 (15.6) |
| Bladder | 16 | 4 | 20 (11.5) |
| Total | 112 | 61 | 173 (100) |