Research Article
Risk Factors for Urosepsis after Minimally Invasive Percutaneous Nephrolithotomy in Patients with Preoperative Urinary Tract Infection
Table 1
Baseline characteristics of all patients in the study.
| | | Nonurosepsis group (n = 821) | Urosepsis group (n = 22) | |
| | Age (years) | 46.2 ± 20.5 (17–80) | 47.3 ± 18.5 (16–82) | 0.342 |
| | Sex | | | 0.872 | | Male | 471 (57.4%) | 13 (59.1%) | | | Female | 350 (42.6%) | 9 (40.9%) | |
| | BMI (kg/m2) | 24.3 ± 2.6 (17.5–34.7) | 25.1 ± 3.4 (18.1–33.6) | 0.714 |
| | Stone side | | | 0.529 | | Left | 392 (47.7%) | 12 (54.5%) | | | Right | 429 (52.3%) | 10 (45.5%) | |
| | Stone type | | | 0.650 | | Upper ureteral stones | 50 (6.1%) | 1 (4.6%) | | | Complex renal stones | 128 (15.6%) | 5 (22.7%) | | | Other renal stones | 643 (78.3%) | 16 (72.7%) | |
| | Stone diameter (cm) | 2.8 ± 1.4 (1.6–3.9) | 3.3 ± 1.8 (1.5–3.8) | 0.449 |
| | Extent of hydronephrosis | | | 0.536 | | ≤2 cm | 276 (33.6%) | 5 (22.7%) | | | >2, <4 cm | 433 (52.7%) | 13 (59.1%) | | | ≥4 cm | 112 (13.6%) | 4 (18.2%) | |
| | Preoperative urine culture | | | 0.479 | | Positive | 82 | 3 | | | Negative | 739 | 19 | |
| | Stone composition | | | 0.312 | | Infectious stone (Struvite) | 37 | 2 | | | Noninfectious stone | 784 | 20 | |
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BMI: body mass index.
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