Table 1.
Baseline characteristics

Parameters Total cohort (n=53)
Age (years) mean ± S.D. (range) 41.11 ± 11.23 (20~70)
BMI (kg/m2) mean ± S.D. 24.10 ± 2.85
Obesity (BMI>25) 19 (35.8%)
Gender
Male 36 (67.9%)
Female 17 (32.1%)
Family history of stones 11 (20.8%)
DM 17 (32.1%)
HTN 9 (17.0%)
Initial stone size (mm) mean ± S.D. 5.86 ± 2.04
Location
Upper ureter 27 (50.9%)
Mid ureter 12 (22.6%)
Lower ureter 14 (26.4%)
Treatment modality
Treatment modality
Expectant management 21 (39.6%)
ESWL 20 (37.7%)
URS 12 (22.6%)
SD; standard deviation, BMI; body mass index, DM; diabetes mellitus, HTN; hypertension, ESWL; extracorporeal shock wave lithotripsy, URS; Ureterorenoscopic lithotripsy.