Table 1 Patient baseline characteristics
Before propensity matching | After propensity matching | |||||
|---|---|---|---|---|---|---|
Mild hydronephrosis | Moderate and severe hydronephrosis | P value | Mild hydronephrosis | Moderate and severe hydronephrosis | P value | |
N = 349 | N = 120 | N = 75 | N = 75 | |||
Age (year) | 49.58 ± 12.03 | 52.91 ± 12.18 | 0.010 | 52.00 ± 10.54 | 53.29 ± 11.94 | 0.483 |
Male (%) | 69.1% | 69.2% | 0.982 | 68.0% | 66.7% | 1.000 |
BMI | 23.97 ± 3.53 | 24.27 ± 4.00 | 0.475 | 24.43 ± 3.21 | 24.26 ± 3.95 | 0.779 |
Disease time (days) | 41.95 ± 45.41 | 60.88 ± 75.81 | 0.011 | 46.63 ± 42.26 | 43.00 ± 41.59 | 0.596 |
Renal colic (%) | 65.6% | 31.7% | 0.000 | 34.7% | 37.3% | 0.804 |
Fever (%) | 4.6% | 7.5% | 0.220 | 8.0% | 8.0% | 1.000 |
SWL (%) | 20.9% | 19.2% | 0.682 | 24.0% | 21.3% | 0.815 |
Stone burden (mm2) | 78.65 ± 41.93 | 109.89 ± 52.17 | 0.000 | 97.94 ± 39.36 | 99.75 ± 39.86 | 0.675 |