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Table 1 Demographic and clinical characteristics of the patients differentiated according to the initial line of treatment into two groups

From: Experience of a tertiary-level urology center in the clinical urological events of rare and very rare incidence. IV. Urological surprises: 2. Clinically visible giant hydronephrosis in adults: Is there a significant function?

CharacteristicsGroup 1 (n = 21, treated initially by PCN)Group 2 (n = 26, treated initially by nephrectomy)
Age range (Mean ± SD)/years22–72 (50.43 ± 13.71)21–83 (42.96 ± 15.16)
Gender
 Male18 (85.7%)21 (80.8%)
 Female3 (14.3%)5 (19.2%)
Job
 Farmer15 (71.4%)16 (61.5%)
 Others6 (28.6%)10 (38.5%)
Residence
 Local governorate14 (66.7%)18 (69.2%)
 Distant governorate7 (33.3%)8 (30.8%)
Education levela
 High1 (4.8%)None
 Middle3 (14.3%)4 (15.4%)
 Low17 (80.9%)22 (84.6%)
Anatomical side
 Right9 (42.9%)14 (53.8%)
 Left8 (38.1%)12 (46.2%)
 Bilateral4 (19%)None
Clinical presentation
 Abdominal distention8 (38.1%)13 (50%)
 Abdominal pain2 (9.5%)13 (50%)
 Fever5 (23.8%)None
 Uremic symptoms6 (28.6%)None
 History of known previous urolithiasis10 (47.6%)11 (42.3%)
Underlying etiology
 Urolithiasis13 (61.9%)19 (73.1%)
 Bilharzial stricture6 (28.6%)5 (19.2%)
 Congenital PUJO2 (9.5%)2 (7.7%)
 Serum creatinine range (Mean ± SD)0.8–12.3 (3.13 ± 3.13)0.56–1.4 (0.94 ± 0.21)
Imaging
 MSCT8 (38.1%)16 (61.5%)
 IVU2 (9.5%)10 (38.5%)
 RINone5 (19.2%)
 Only basic imagingb11 (52.4%)None
 Parenchymal thickness (mm)0–40
  1. aEducation level is classified as high for education to college level or higher, middle for secondary school level, and low for education below the secondary school level
  2. bBasic imaging included abdominal ultrasonography and radiography
  3. IVU intravenous urography, MSCT multi-slice computed tomography, PCN percutaneous nephrostomy, PUJO pelvi-ureteral junction obstruction, RI radio-isotope scanning, SD standard deviation
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