Skip to main content

Table 1 Patients’ characteristics and outcomes

From: Ureteric stent versus percutaneous nephrostomy for acute ureteral obstruction - clinical outcome and quality of life: a bi-center prospective study

  DJS (n = 45) PCN (n = 30) p value
Pre-drainage patients’ characteristics
 Age (years) 55 (39.5–70.5) 54 (46.5–61) 0.787
 Gender- Female 15 (33%) 13 (43%) 0.467
 BMI (kg/m2) 27.6 (24.8–30.1) 27.7 (23.3–31) 0.944
 Hypertension 24 (53.3%) 13 (43.3%) 0.683
 Diabetes mellitus 14 (31.1%) 7 (23.3%) 0.622
 Ischemic heart disease 8 (17.7%) 7 (23.3%) 0.775
 Previous endourological procedures 14 (31.1%) 9 (30%) 1
 Baseline eGFR (MDRD, mL/min/1.73 m2) 85.5 (69.3–90.6) 69 (58.1–80.4) 0.001
 eGFR at presentation (MDRD, mL/min/1.73 m2) 60.3 (41.3–75.6) 41.2 (33–59) 0.011
 Positive urine cultures 25.6% 40.7% 0.199
 Indication for drainage – Fever≥30oc 15 (33.3%) 16 (53.3%) 0.099
 Indication for drainage - Renal Failure (eGFR≤60 mL/min/1.73 m2) 10 (22.2%) 10 (33.3%) 0.301
 Stone diameter (mm) 8 (7–11) 8 (6–12.3) 0.872
 Stone location-Proximal 55% 64% 0.469
 Stone location-Distal 45% 36% 0.469
Post drainage outcomes
 Post procedure hospitalization Days 1 (1–3) 4 (2–6) < 0.001
 Post Procedural Pain (VAS) 1.02 ± 2.04 1.19 ± 1.52 0.283
 Days to baseline eGFR @ 1 (1–2) 2 (1–3) 0.005
 Days to Temp ≤37.5 @@ 1 (1–1.5) 1 (1–1.75) 1
 Time to WBC ≤10,000 white blood cells per microliter (Days) @@@ 1.5 (1–2) 2 (1–4) 0.167
 Complications 1st procedure 6 (11%) 1 (3.3%) 0.226
 Time from 1st to 2nd operation (Days) 47 (29–71) 20 (12–27) < 0.001
  1. Data presented as Median (IQR 25–75) or Mean ± STD as appropriate
  2. MDRD The Modification of Diet in Renal Disease Study equation
  3. @ For patients with renal failure at presentation
  4. @@ For patients with fever at presentation
  5. @@@ For patients with leukocytosis at presentation
  6. In bold - statistically significant result
\