Table 1 Comparison of the two groups for the demographic and baseline characteristics
Parameters | Mini-PNL group (n = 31) | RIRS group (n = 29) | p value |
|---|---|---|---|
Age, mean ± SD | 44.2 ± 5.4 | 44.8 ± 5.6 | 0.87 |
Gender, n (%) | 0.63 | ||
Male | 20 (64.5) | 17 (58.6) | |
Female | 11 (35.5) | 12 (41.4) | |
Stone location n (%) | 0.41 | ||
Upper | 2 (6.4) | 2 (6.9) | |
Middle | 8 (25.8) | 12 (41.4) | |
Lower | 21 (67.8) | 15 (51.7) | |
Stone size, (mm) mean ± SD | 24.6 ± 5.4 | 18.2 ± 4.4 | 0.02 |
Stone density (Hounsfield Unit), mean ± SD | 998 ± 128.6 | 880 ± 120.1 | 0.04 |
Preoperative uNGAL (ng/ml) mean ± SD | 21.8 ± 9.4 | 24.2 ± 8.8 | 0.76 |