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Table 2 Operative and postoperative outcomes

From: Retrograde intrarenal surgery for the treatment of renal stones in patients with a solitary kidney: Does access sheath matter?

Variable

Value

Mean operative time, (SD, range), (min)

46.15 ± 18.347 (25–100)

Mean lasting time, (SD, range), (min)

30.62 ± 16.454 (10–70)

Mean hospital stays (SD, range) H

23.96 (10.89, 15–48)

Use of UAS, n (%)

05 (20%)

Use of fluoroscopy guidance, n (%)

07 (28%)

Stone clearance, n (%)

 

 Primary stone clearance

21/25 (84%)

 Secondary stone clearance

23/25 (92%)

SFR and size of the stone n (%)

 

 < 20 mm

13/16 (81.25%)

 > 20 mm

7/9 (77.77%)

SFR and UAS

 

 Without

(20/25) (18/20) (90%)

 With

(5/25) (3/5) (60%)

Mean number of procedures per patient

1.08

Postoperative double-J stenting

24/25 (96%)

The ancillary procedure, n (%)

 

 SWL

1/25 (4%)

 RIRS

1/25 (4%)

 URS

1/25 (4%)

Complications by modifies Clavien grading system

 

 Clavien Grade I, n (%)

 

  Fever

3/25 (12%)

  Hematurea

1/25 (4%)

 Clavien Grade II n (%)

 

  Non obstructive pyelonephritis

1/25 (4%)

 Clavien Grade IIIb

 

  Steinstrasse

1/25 (4%)

  1. GFR Glomerular filtration rate, PCNL percutaneous nephrolithotomy, URS ureterorenoscopy; SFR stone-free rate, UAS ureteral access sheath, SWL shockwave lithotripsy