Table 1.
Patient characteristics of those receiving two types of irrigation during ureteroscopy
| Characteristic | Automated pressure (n = 206) | Hand irrigation (n = 25) | P value |
|---|---|---|---|
| Age (years, mean ± SD) | 53.7 ± 18.9 | 44 ± 18.5 | 0.02* |
| Men | 54.9% | 37.5% | 0.13 |
| Body mass index (kg/m2) | 29.5 ± 6.7 | 31.9 ± 9.4 | 0.12 |
| Stone location | 0.05 | ||
| Ureter | 131 | 13 | |
| Kidney | 16 | 5 | |
| Both | 25 | 5 | |
| No stone | 34 | 1 | |
| Scope type | 0.04* | ||
| Rigid | 123 | 9 | |
| Flexible | 65 | 11 | |
| Both | 12 | 4 | |
| Stone manipulation | 0.31 | ||
| Laser lithotripsy | 14 | 0 | |
| Basket extraction | 65 | 12 | |
| Both | 73 | 7 | |
| Other | 7 | 0 | |
| Neither | 43 | 5 |
*p < 0.05.