Table 2. Stone fragmentation, clearance rate, and procedural outcomes in the different groups.
| Parameter | Group 1 (n=27) | Group 2 (n=31) | Group 3 (n=30) | p-value |
|---|---|---|---|---|
| Fragmentation | 0.24 | |||
| Complete (<4 mm) | 5 (18.5) | 5 (16.1) | 10 (33.3) | |
| Partial (>4 mm) | 17 (63.0) | 22 (71.0) | 19 (63.3) | |
| No | 5 (18.5) | 4 (12.9) | 1 (3.3) | |
| Clearance | ||||
| Complete | 3 (11.1) | 4 (12.9) | 13 (43.3) | |
| CIRF | 14 (51.9) | 16 (51.6) | 12 (40.0) | |
| No | 10 (37.0) | 11 (35.5) | 5 (16.7) | |
| Outcome | 0.21 | |||
| Success | 18 (66.7) | 20 (64.5) | 25 (83.3) | |
| Failure | 9 (33.3) | 11 (35.5) | 5 (16.7) |
Values are presented as number (%).
Group 1, received extracorporeal shock wave lithotripsy (ESWL) only; group 2, DJ Stenting was done one week prior to the ESWL; group 3, stent was kept for 1 week and then removed, followed by ESWL; CIRF, clinically insignificant residual fragments.