Table 2.
Comparison of procedural details between patients who did not undergo angioembolization and patients who underwent angioembolization after percutaneous nephrolithotomy
| No AE | AE | p value | |
|---|---|---|---|
| Operation time (minutes) | 114.0 ± 55.8 | 90.4 ± 34.5 | 0.187a |
| Location of access | 0.266b | ||
| Lower pole | 20/32 (62.5%) | 17/21 (81.0%) | |
| Other (middle or upper) | 11/32 (34.4%) | 3/21 (14.3%) | |
| Lower pole & other | 1/32 (3.1%) | 1/21 (4.8%) | |
| Number of tracts | 1.000c | ||
| 1 | 31/32 (96.9%) | 20/21 (95.2%) | |
| 2 | 1/32 (3.1%) | 1/21 (4.8%) | |
| Puncture correctness | 0.021b | ||
| Correct | 21/32 (65.6%) | 7/21 (33.3%) | |
| Incorrect | 11/32 (34.4%) | 14/21 (66.7%) | |
| Stone free rate | 24/32 (75.0%) | 15/21 (71.4%) | 1.000b |
| Interval between surgery and angioembolization (days) | NR | 7.4 ± 6.4 | |
| Angiographic findings | NR | ||
| Pseudoaneurysm | 15/21 (71.4%) | ||
| AVF | 5/21 (23.8%) | ||
| Both | 1/21 (4.8%) |
AE angioembolization, UPJ ureteropelvic junction, AVF arteriovenous fistula, NR not relevant
Results of continuous variables expressed as mean ± standard deviation
aMann-Whitney U test
bChi-square test
cFisher’s exact test