Table 5.
Association of various categorical variables with ureteroscopic lithotripsy complications
| Fisher's exact test* | Complications (23) | No complications (87) | Significance (P) |
|---|---|---|---|
| Sex | |||
| Female | 7 | 31 | 0.806 |
| Male | 16 | 56 | |
| BMI (high/low) | |||
| High | 18 | 40 | 0.009 |
| Low | 5 | 47 | |
| Preoperative urine culture-sensitivity | |||
| Positive | 13 | 11 | <0.001 |
| Negative | 10 | 76 | |
| Stone location | |||
| Distal | 8 | 34 | 0.811 |
| Proximal | 15 | 53 | |
| Periureteral standing | |||
| No | 9 | 49 | 0.109 |
| Yes | 14 | 38 | |
| Mann–Whitney U-test# | P | ||
| Age (years) | 0.019 | ||
| Stone size (mm) | 0.015 | ||
| Stone density | 0.571 | ||
| Maximum ureteral wall thickness (mm) | <0.001 | ||
| Maximum proximal ureter diameter (mm) | 1.000 | ||
| Maximum renal parenchymal thickness (mm) | 0.922 | ||
| Maximum TPD (mm) | 0.922 | ||
*Evaluated by Fisher's exact test, #Evaluated by Mann–Whitney U-test. TPD: Transverse pelvic diameter