Table 1 Demographic data and stone parameters of the study groups
Demographic variables | |||
|---|---|---|---|
3SD (n = 138) | SAD (n = 145) | p | |
Age (mean ± SD) | 47.48 ± 13.25 | 47.16 ± 14.18 | 0.8441 |
BMI (kg/m2) (mean ± SD) | 24.88 ± 2.97 | 24.47 ± 2.5 | 0.2061 |
Gender (n) | 0.6062 | ||
Male | 101 (73.2%) | 110 (75.9%) | |
Female | 37 (26.8%) | 35 (24.1%) | |
Laterality (n) | 0.8482 | ||
Right | 66 (47.83%) | 71 (48.97%) | |
Left | 72 (52.17%) | 74 (51.03%) | |
History of surgery (n) | 0.6092 | ||
Absent | 116 (84.06%) | 127 (87.59%) | |
Open | 8 (5.8%) | 8 (5.52%) | |
Endoscopic | 14 (10.14%) | 10 (6.9%) | |
ESWL (n) | 44 (31.88%) | 36 (24.83%) | 0.1882 |
Stone location (n) | 0.4302 | ||
One calix | 21 (15.22%) | 19 (13.1%) | |
Pelvic | 37 (26.81%) | 53 (36.55%) | |
Multiple calyces | 5 (3.62%) | 7 (4.83%) | |
Pelvic and calix | 61 (44.2%) | 52 (35.86%) | |
Staghorn | 14 (10.14%) | 14 (9.66%) | |
Hydronephrosis grade (number) | 0.5712 | ||
No hydronephrosis | 24 (17.39%) | 22 (15.17%) | |
Mild | 71 (51.45%) | 83 (57.24%) | |
Moderate | 34 (24.64%) | 35 (24.14%) | |
Severe | 9 (6.52%) | 5 (3.45%) | |
Stone burden, mm2 (mean ± SD) (median) | 603.7 ± 543.55 (423) | 578.99 ± 554.13 (423) | 0.3993 |
Stone density in Hounsfield units (mean ± SD) (median) | 1175.96 ± 363.94 (1171) | 1216.83 ± 377.61 (1200) | 0.5063 |