Table 1.
Characteristics of anuria patients who underwent either primary or deferred ureteroscopy (URS)
| Primary URS (N = 81) | Deferred URS (N = 69) | p Value | |
|---|---|---|---|
| Median age at treatment, years (IQR) |
34 (26, 37) | 34 (28, 44) | 0.223 |
| Females (%) | 27.2 | 20.3 | 0.326 |
| Location of ureteral stones (%) Distal Middle Proximal |
58 29.6 12.4 |
53.6 34.8 11.6 |
0.796 |
| Solitary kidneys (%) | 46.9 | 49.3 | 0.773 |
| Single obstructing ureteral stone (%) | 91.4 | 88.4 | 0.548 |
| Median total stones length, mm (IQR) |
7 (5, 9) | 7 (6, 9) | 0.310 |
| Median duration of anuria, days (IQR) |
2 (2, 3) | 3 (2, 3) | 0.165 |
| Median serum creatinine at presentation, mg/dl (IQR) | 4.6 (3.8, 5.9) | 5 (3.6, 6.2) | 0.707 |
| Pre-ureteroscopy dialysis (%) | 9.9 | 5.8 | 0.548 |
IQR – inter-quartile range