Table 1.
Patient characteristics
| Group 1 (n = 24) |
Group 2 (n = 55) |
Control group (n = 10) |
p | |
|---|---|---|---|---|
| Double-pigtail and PSS | PSS alone | Double-pigtail | ||
| Age (years) | ||||
| Mean ± SD | 58.9 ± 15.1 | 60.0 ± 15.0 | 53.6 ± 13.1 | 0.44 |
| Male/female | 14/10 | 34/21 | 7/3 | 0.82 |
| Weight (kg) | ||||
| Mean ± SD | 71.2 ± 15.8 | 77.0 ± 15.2 | 80.0 ± 15.3 | 0.27 |
| Height (cm) | ||||
| Mean ± SD | 165.2 ± 10.9 | 166.5 ± 9.0 | 171.1 ± 9.1 | 0.40 |
| Side (R/L) | 16/8 | 29/26 | 6/4 | 0.51 |
| Indication for stenting | ||||
| Proximal stone | 15 | 35 | 0 | |
| Distal stone | 3 | 11 | 10 | |
| Ureteropelvic junction | 1 | 2 | 0 | |
| Ureteral stricture | 5 | 7 | 0 | |
| Procedures | ||||
| Stenting alone | 6 | 13 | 0 | |
| SWL | 2 | 6 | 0 | |
| Urine alkalinization | 1 | 2 | 0 | |
| SWL and ureteroscopy | 12 | 12 | 0 | |
| Ureteroscopy | 3 | 22 | 10 | |
| Stent removal | ||||
| Flexible cystoscopy | 4 | 15 | 10 | |
| Ureteroscopy | 14 | 31 | 0 | |
| Laparoscopy | 1 | 2 | 0 | |
Extracorporeal shockwave lithotripsy (SWL)