Table 1.
Comparisons of patients’ demographics and preoperative clinical characteristics between two groups.
| Variables, mean ± SD or n (%) | V-UAS group (n = 86) | MPCNL group (n = 87) | P value |
|---|---|---|---|
| Age, years | 52.7 ± 9.3 | 51.3 ± 8.2 | 0.295 |
| BMI, kg/m2 | 23.1 ± 3.9 | 22.6 ± 3.2 | 0.358 |
| Gender | |||
| Male | 37 (43.0) | 41 (47.1) | – |
| Female | 49 (57.0) | 46 (52.9) | 0.588 |
| Hypertension history | |||
| No | 44 (51.2) | 39 (44.8) | – |
| Yes | 42 (48.8) | 48 (55.2) | 0.404 |
| Diabetes history | |||
| No | 53 (61.6) | 58 (66.7) | – |
| Yes | 33 (38.4) | 29 (33.3) | 0.489 |
| Mean stone size, cm | 1.6 ± 0.4 | 1.5 ± 0.5 | 0.148 |
| Essence (Hounsfield units) | 932.3 ± 107.9 | 856.4 ± 113.6 | 0.154 |
| Hydronephrosis | |||
| Mild | 27 (31.4) | 30 (34.5) | 0.666 |
| Moderate | 36 (41.9) | 38 (43.7) | 0.809 |
| Severe | 23 (26.7) | 19 (21.8) | 0.452 |
| Preoperative WBC, 109/L | 9.7 ± 4.1 | 9.3 ± 3.6 | 0.496 |
| Preoperative CRP, mg/L | 15.3 ± 5.4 | 16.1 ± 4.3 | 0.282 |
| Preoperative PCT, ng/ml | 0.103 ± 0.04 | 0.107 ± 0.03 | 0.457 |
| Urine culture | |||
| Negative | 25 (29.1) | 30 (34.5) | – |
| Positive | 61 (70.9) | 57 (65.5) | 0.445 |
| ESWL history | |||
| No | 29 (33.7) | 33 (37.9) | – |
| Yes | 57 (66.3) | 54 (62.1) | 0.564 |
BMI, body mass index; SD, standard deviation; WBC, white blood cell; CRP, C reactive protein; PCT, procalcitonin.
*
P < 0.05.
**
P < 0.01.