Research Article

Risk Factors of Urinary Tract Infection in Pediatric Patients with Ureteropelvic Junction Obstruction after Primary Unilateral Pyeloplasty

Table 1

Demographic and clinical characteristics of patients.

CharacteristicAll ()

Age (month)19.00 (5.35, 60.00)
Gender, (%)
 Male407 (80.75%)
 Female97 (19.25%)
Weight (kg)11.50 (8.00, 19.70)
Height (cm)83.00 (66.50, 112.50)
BMI17.09 (15.59, 18.93)
Surgical modality, (%)
 Open pyeloplasty281 (55.75%)
 Laparoscopic pyeloplasty223 (44.25%)
 Cr (μmol/L)26.00 (21.75, 34.50)
 BUN (mmol/L)4.08 (2.70, 5.10)
 eGFR (ml/min/m2)83.56 (73.24, 94.12)
 Neutrophil (%)29.30 (20.00, 41.45)
 Lymphocyte (%)59.40 (48.05, 69.70)
 N/L0.50 (0.29, 0.88)
 APD (cm)3.20 (2.60, 4.00)
 Renal cortex thickness (mm)2.00 (1.50, 3.00)
 Caliectasis, yes/%96 (19.05%)
Postoperative drainage, (%)
 Internal drainage355 (70.44%)
 External drainage149 (29.56%)

BMI: body mass index; Cr: creatinine; BUN: blood urea nitrogen; eGFR: estimated glomerular filtration rate; N/L: neutrophil/lymphocyte ratio; APD: renal pelvis anteroposterior diameter.