Table 3 Analysis of risk factors for the failure of balloon dilation in ultrasound-guided PCNL
From: The Pros and cons of balloon dilation in totally ultrasound-guided percutaneous Nephrolithotomy
| Variables |
Number (95) |
Success rate (85.6%) 83/95 | P Value |
|---|---|---|---|
| BMI | 0.085 | ||
| ≥ 30 kg/m2 | 44 | 38 (86.3%) | |
| < 30 kg/m2 | 51 | 45 (88.2%) | |
| Access of calyx | 0.712 | ||
| upper | 25 | 21 (84.0%) | |
| middle | 49 | 44 (89.8%) | |
| lower | 21 | 18 (85.7%) | |
| Hydronephrosis degree | 0.015 | ||
| Mild or none | 28 | 18 (64.3%) | |
| Moderate | 46 | 44 (95.7%) | |
| Severe | 21 | 21 (100.0%) | |
| Side of the Puncture | 0.727 | ||
| Left | 48 | 41 (85.4%) | |
| Right | 47 | 42 (89.4%) |