Table 2 The impact of kidney related factors and stone facts on urinary leakage
From: Stones hounsfield unit value and predictors of urinary leakage after PCNL
Urinary leakage | P value | ||
|---|---|---|---|
Absent (n = 237) | Present (n = 159) | ||
Stone surface area (mm2) | 226.19 (64–1176) | 282.74 (106–1374) | 0 |
Stone burden (mm3) | 1558.2 (265–14,951) | 2076.21 (623–17,565) | 0.003 |
Stone localization | |||
Pelvic | 142 (70.2%) | 60 (29.8%) | 0 |
Isolated caliceal | 54 (51.4%) | 51 (48.6%) | |
Multiple + staghorn | 41 (46%) | 48 (54%) | |
Paranchymal thickness (mm) | 13 (9–18) | 10 (7–16) | 0 |
Hounsfield unit | 855.98 ± 239.55 | 1215.87 ± 320.01 | 0 |
Hydronephrosis grade | |||
0 | 126 (77.7%) | 36 (22.3%) | 0 |
1 | 75 (59.5%) | 51 (40.5%) | |
2 | 27 (36%) | 48 (64%) | |
3 | 9 (27.2%) | 24 (72.8%) | |
Previous stone treatment history | |||
No | 93 (72%) | 36 (28%) | 0.001 |
ESWL | 63 (65.6%) | 33 (34.4%) | |
PCNL | 60 (48.7%) | 63 (51.3%) | |
Open surgery | 21 (43.7%) | 27 (56.3%) | |