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Table 2 Comparison of perioperative outcomes in the two groups

From: Comparison of mini endoscopic combined intrarenal surgery and multitract minimally invasive percutaneous nephrolithotomy specifically for kidney staghorn stones: a single-centre experience

 

mini ECIRS

(n = 17)

Multitract minimally invasive PCNL

(n = 17)

P

Operative time ± SD

140.12 ± 63.30

183.65 ± 60.58

0.630

No. of percutaneous access tracts, n

  

< 0.001

 One

17

0

 

 Two

0

7

 

 Three

0

6

 

 Four

0

3

 

 Five

0

1

 

Pain VAS score

   

 At 6 h

0.0 ± 0.0

2.7 ± 3.1

< 0.001

 At 24 h

0.0 ± 0.0

1.3 ± 2.0

< 0.001

 At 48 h

0.0 ± 0.0

0.5 ± 1.4

0.003

Postoperative IV narcotics use

  

0.005

 Yes, n (%)

0 (0.0)

8 (47.1)

 

 No, n (%)

17 (100.0)

9 (52.9)

 

Hb drop (g/L)

1.66 ± 1.21

1.77 ± 1.01

0.068

Complications (Clavien–Dindo grade), n (%)

   

 Grade I (mild hematuria)

7 (41.2)

8 (47.1)

0.730

 Grade II (fever, anemia)

4 (23.5)

3 (17.6)

0.671

 Grade III

0 (0.0)

1 (5.9)

0.310

 Grade IV

1 (5.9)

0 (0.0)

0.310

Blood transfusion rate, n (%)

1 (5.9)

3 (17.6)

0.287

One-step SFR, n (%)

11 (64.7)

10 (58.8)

0.724

Final SFR at 3 months, n (%)

12 (70.6)

12 (70.6)

1.000

Length of stay (day)

4.3 ± 3.1

3.3 ± 0.8

0.005

Nephrostomy tube, n (%)

1 (5.9)

5 (29.4)

0.072

  1. ECIRS = endoscopic combined intrarenal surgery; PCNL = percutaneous nephrolithotomy; SD = standard deviation; VAS = visual analog scale; SFR = stone-free rate; IV = intravenous; Hb = hemoglobin