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Table 3 Operative and postoperative data

From: Management of upper calyceal stone by percutaneous nephrolithotomy through lower calyx access: prone versus supine position

 

Prone PCNL

N = 18

Supine PCNL

N = 20

P value

Operative times (min), mean ± SD

113.72 ± 11.73

80.95 ± 10.26

0.01**

Fluoroscopic time (s), mean ± SD

276.39 ± 35.49

209.05 ± 3 6.95

0.001**

Blood transfusion

2 (11.1)

2 (5)

0.55

Postoperative fever

3 (16.7)

2 (10)

0.47

Upper calyx approachability

12 (66,7)

19 (95)

0.013

Stone-free

7 (38.9)

17 (85)

0.03

  1. Unless otherwise indicated, data represent the number with percentage in parenthesis
  2. N number, SD standard deviation
  3. **High significant difference