| VARIABLES | MALES (%) | FEMALES (%) | TOTAL (%) |
| Aetiology of UPJ obstruction |
|
|
|
| Crossing of a lower polar vessel | 6 (33.3) | 4 (50.0) | 10 (38.5) |
| Intrinsic UPJ stenosis | 12 (66.7) | 4 (50.0) | 16 (61.5) |
| Associated urolithiasis |
|
|
|
| Yes | 7 (38.9) | 1 (12.5) | 8 (30.8) |
| No | 11 (61.1) | 7 (87.5) | 18 (69.2) |
| MDS (IQR), minutes | 102.5 (90.0 - 146.3) | 113.5 (87.3 - 132.3) | 108.5 (90.0 - 136.0) |
| MDH (SD), days | 2.33 (0.97) | 2 | 2.23 (0.82) |
| Mean blood loss (SD), ml | 103.33 (84.21) | 82.50 (28.16) | 96.92 (71.70) |
| MFD (SD), days | 55.28 (9.67) | 50.13 (3.14) | 53.69 (8.50) |
| Median duration of double J drainage, days (IQR) | 23.50 (20.0 - 28.50) | 19.50 (18.0 - 21.0) | 21.0 (19.0 - 25.50) |
| Success rate | 16 (88.9) | 8 (100) | 24 (92.3) |