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Table 1 Preoperative characteristics of both groups

From: The “Guidewire-Coil”-Technique to prevent retrograde stone migration of ureteric calculi during intracorporeal lithothripsy

 

Guidewire-Coil

n = 27

 

Control

n = 28

 

P value

 

±SD

 

±SD

Gender

    

0.527†

 Male

22

 

22

  

 Female

5

 

6

  

Age [a]

 Mean

58.0

16.0

55.0

15.5

0.622*

 Median

54.0

 

56.5

  

Number of stones

28

 

33

  

Size [mm]

 Mean

9.8

3.4

10.0

3.5

0.953*

 Median

8.6

 

9.2

  

Calculus location

 Proximal ureter

13

 

15

 

0.571†

 Mid ureter

15

 

18

  
  1. SD = standard deviation
  2. *Significant at p value < 0.05 by Mann–Whitney test
  3. †Significant at p value < 0.05 by Fisher’s-exact test
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BMC Urology

ISSN: 1471-2490

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