Table 1 General clinical data comparison(n = 91 each, \( \overline{x} \) ±s)
Variable | Observation group | Control group | P value |
|---|---|---|---|
Age (year) | 43.5 ± 2.9 | 44.1 ± 3.2 | >0.05 |
Sex | |||
Male: Female | 53:38 | 51:40 | >0.05 |
BMI(kg/cm2) | 21.6 ± 5.7 | 22.5 ± 1.1 | >0.05 |
Stone size(mm) | 16.7 ± 5.8 | 15.1 ± 6.3 | >0.05 |
Stone location | >0.05 | ||
Renal pelvis and upper segment of ureter | 27 (29.7%) | 29 (31.9%) | |
Upper renal calyx | 25 (27.5%) | 21 (23.1%) | |
Mid renal calyx | 9 (9.9%) | 7 (7.7%) | |
Lower renal calyx | 30 (33.0%) | 34 (37.4%) | |
Renal insufficiency (n,%) | 8 (8.8%) | 11 (12.1%) | >0.05 |
H/o ESWL (n,%) | 15 (14.3%) | 17 (12.8%) | >0.05 |
H/o surgery to remove stone (n,%) | 13 (14.3%) | 14 (15.4%) | >0.05 |
Comorbidities | >0.05 | ||
Hypertension | 7 (7.7%) | 6 (6.6%) | |
Diabetes mellitus | 4 (4.4%) | 6 (6.6%) | |
Heart disease | 5 (5.5%) | 3 (3.3%) | |
Stone composition | >0.05 | ||
Calcium oxalate | 44 (48.4%) | 43 (47.3%) | |
Calcium phosphate | 11 (12.1%) | 15 (16.5%) | |
Cystine | 2 (2.2%) | 1 (1.1%) | |
Struvite | 19 (20.9%) | 17 (18.7%) | |
Uric acid | 7 (7.7%) | 5 (5.5%) | |
Mixed | 8 (8.8%) | 10 (11.0%) | |
Hydronephrosis | >0.05 | ||
Mild | 13 (14.3%) | 17 (18.7%) | |
Moderate | 47 (51.6%) | 49 (53.8%) | |
Severe | 31 (34.1%) | 25 (27.5%) | |