Table 2 Comparison of intra-operative values
From: Efficacy and safety of mini percutaneous nephrolithotomy in obese patients
BMI | p values | ||||
|---|---|---|---|---|---|
<30 | ≥30 | ||||
% | % | ||||
Number of patients | 133 | 49 | |||
Mean operation time (minutes) | 111.4 ± 42.5 (45–250) | 109.6 ± 41.6 (40–240) | 0.805 | ||
Mean fluoroscopy time (minutes) | 5.4 ± 3.4 (0.7–18.8) | 5.8 ± 4.7 (0.8–20) | 0.471 | ||
Number of access | 0.415 | ||||
1 | 123 | 92.5 | 43 | 87.8 | |
2 | 9 | 6.8 | 6 | 12.2 | |
3 | 1 | 0.8 | 0 | 0 | |
Access site | 0.486 | ||||
Multiple | 7 | 5.4 | 4 | 8.2 | |
Lower calyces | 105 | 78.9 | 41 | 83.7 | |
Middle calyces | 17 | 12.8 | 3 | 6.1 | |
Upper calyces | 4 | 0.8 | 1 | 2.0 | |