|
Variables
|
SF (n = 75)
|
Non-SF (n = 21)
|
p
|
|---|
|
Age (years)
|
56.1 ± 9.1
|
52.8 ± 14.8
|
0.51
|
|
BMI (kg/m2)
|
24.2 ± 3.4
|
24.6 ± 1.7
|
0.69
|
|
Sex
| | | |
|
Male
|
41
|
10
|
0.57
|
|
Female
|
34
|
11
| |
|
Side
| | | |
|
Right
|
43
|
11
|
0.69
|
|
Left
|
32
|
10
| |
|
Renal stone size (mm)
|
31.8 ± 11.1
|
35.1 ± 9.3
|
0.39
|
|
Renal stone surface area (mm2)
|
677.1 ± 261.8
|
838.7 ± 247.6
|
0.09
|
|
CT (HU)
|
1064.4 ± 302.6
|
1025.2 ± 309.9
|
0.72
|
|
Stone analysis
| | | |
|
Calcium oxalate
|
54
|
15
|
0.96
|
|
Non calcium oxalate
|
21
|
6
| |
|
Number of calyces involved by stone
| | | |
|
< 3
|
38
|
4
|
0.01
|
|
≥ 3
|
37
|
17
| |
- BMI body mass index, CT computed tomography, HU hounsfield unit, SF stone free
