Table 2. Patient Baseline Characteristics
Characteristic |
LSE Group |
Control Group |
p
value |
Number |
24 |
24 |
|
Age (year, mean) |
45.0±15.6 |
42.5±18.7 |
0.71 |
(median, range) |
45 (2-72) |
44 (5-66) |
|
Gender |
|
|
|
Male |
10/24 (42%) |
12/24 (50%) |
0.77 |
Female |
14/24 (58%) |
12/24 (50%) |
|
BMI (kg/m2) |
27.2±3.2 |
27.0±5.1 |
0.57 |
Side |
|
|
|
Right |
13/24 (54%) |
17/24 (71%) |
0.37 |
Left |
11/24 (46%) |
7/24 (29%) |
|
Stone Burden (mm) |
11.9±3.1 |
11.1±4.2 |
0.21 |
Hounsfield Unit (mean) |
1100±377 |
1076±358 |
0.72 |
Localisation |
|
|
|
Lower Calyx |
4/24 (17%) |
4/24 (16%) |
|
Other Calyces |
5/24 (21%) |
9/24 (38%) |
0.29 |
Pelvis |
14/24 (58%) |
8/24 (33%) |
|
Multiple Loc. |
1/24 (4%) |
3/24 (13%) |
|
Previous history of failed SWL for same stone |
12/24 (50%) |
13/24
(58%) |
0.77 |
Preoperative Double J Stent |
9/24 (38%) |
8/24 (33%) |
0.76 |