Table 1. Patient and Stone Characteristics.
| Stone Patients (n=134) | |||||
|---|---|---|---|---|---|
| Mean±STD or Number (%) | Range | ||||
| Age | 53.4±14.6 | 21-87 | |||
| 20-40 | 30 (22.4) | ||||
| 41-60 | 57 (42.5) | ||||
| >60 | 47 (35.1) | ||||
| Gender (male) | 50% | ||||
| BMI (kg/m2) | 30.8 | 7.65 | 18.8-59 | ||
| Preadmission narcotic use | 50 (37) | ||||
| History of ureteroscopy | 64 (48) | ||||
| History stent placement | 79 (59) | ||||
| Stone size (mm) | 7.1 | 3.65 | 1-24 | ||
| Stone location | |||||
| Ureter | 75 (56) | ||||
| Renal | 59 (44) | ||||
| Stone composition | |||||
| Calcium oxalate | 89 (66.4) | ||||
| Calcium phosphate | 32 (29.3) | ||||
| Uric Acid | 6 (4.5) | ||||
| Magnesium Ammonium Phosphate | 1 (0.7) | ||||
| Mixed | 6 (4.5) | ||||