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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