Table 1 Basic information and stone characteristics of the patients (n = 30)
From: One-stage tubeless percutaneous nephrolithotomy for asymptomatic calculous pyonephrosis
Patient Information | Results |
|---|---|
Age (years, mean ± SD) | 53.8 ± 11.8 |
Gender [cases, (%)] | |
Male | 8/30 (26.7) |
Female | 22/30 (73.3) |
BMI [kg/m2, cases, (%)] | |
< 18.5 | 1/30 (3.3) |
18.5–24.9 | 14/30 (46.7) |
> 25.0 | 15/30 (50.0) |
Underlying disease [cases, (%)] | |
None | 19/30 (63.3) |
Hypertensive disease | 7/30 (23.3) |
Diabetes mellitus | 4/30 (13.3) |
Stone location [cases, (%)] | |
Right | 12/30 (40.0) |
Left | 18/30 (60.0) |
Type of stone [cases, (%)] | |
Solitary stone | 5/30 (16.7) |
Staghorn stone | 9/30 (30.0) |
Multiple stones | 16/30 (53.3) |
Length of single and staghorn stone (mm, mean ± SD) | 29.6 ± 10.9 |
Multiple stones length diameter (mm, mean ± SD) | 56.7 ± 19.1 |
CT values of stones [HU, cases, (%)] | |
< 800 | 17/30 (56.7) |
≥ 800 | 13/30 (43.3) |
Hydronephrosis [cases, (%)] | |
Mild | 11/30 (36.7) |
Moderate | 11/30 (36.7) |
Severe | 8/30 (26.6) |
Preoperative blood WBC (109/L) | 7.0 ± 2.5 |
Preoperative urine culture [cases, (%)] | |
Negative | 19/30 (63.3) |
Escherichia coli | 7/30 (23.3) |
Klebsiella pneumoniae | 2/30 (6.7) |
Pseudomonas aeruginosa | 1/30 (3.3) |
Aspergillus chimaera | 1/30 (3.3) |
Preoperative urine nitrite [Example, (%)] | |
Positive | 8/30 (26.7) |
Negative | 22/30 (73.3) |