From: Fragmentation and propulsive effect of shock wave lithotripsy in treatment of small renal calculi
Stones (n = 58) | Outcome | P value | |||
---|---|---|---|---|---|
Stone free | No change | ||||
No | % | No | % | ||
Side of stone | |||||
Right | 26 | 89.7 | 3 | 10.3 | 0.028* |
Left | 19 | 65.5 | 10 | 34.5 | |
Site of stone | |||||
Calyx | 41 | 77.4 | 22.6 | 12 | 0.892 |
Pelvis | 4 | 80.0 | 1 | 20.0 | |
Site of calyx stone (n = 53) | |||||
Upper Calyx | 6 | 100 | – | – | 0.232 |
Mid calyx | 21 | 70.0 | 9 | 30.0 | |
Lower calyx | 14 | 82.4 | 3 | 17.6 | |
Dilated PCS | |||||
Yes | 4 | 80.0 | 1 | 22.6 | 0.892 |
No | 41 | 77.4 | 12 | 22.6 | |
Lucent or Opaque | |||||
Lucent | 17 | 73.9 | 6 | 26.1 | 0.587 |
Opaque | 28 | 80.0 | 7 | 20.0 | |
Stone size (mm) | |||||
6 | 4 | 100 | – | − | 0.440 |
7 | 15 | 71.4 | 6 | 28.6 | |
8 | 26 | 78.8 | 7 | 21.2 |