Table 1.
Patient characteristics
| No. of Patients | 50 | |
|---|---|---|
| Women | 33 | 66% |
| Men | 17 | 34% |
| Age, mean (range) | 55.64 | 23–89 |
| BMI, mean (range) | 28.02 | 19.13–35.08 |
| Comorbidities | ||
| Obesity | 8 | 16% |
| Hypertension | 11 | 22% |
| Diabetes mellitus | 6 | 12% |
| Dyslipidemia | 1 | 2% |
| Metabolic syndrome | 6 | 12% |
| Hypothyroidism | 8 | 16% |
| Hyperthyroidism | 1 | 2% |
| Procedure | ||
| URSL | 5 | 10% |
| RIRS | 21 | 42% |
| PCNL | 11 | 22% |
| ECIRS | 13 | 26% |
| Stone characteristics | ||
| Location | ||
| Ureter | 13 | |
| Pelvis | 21 | |
| Upper calyx | 5 | |
| Middle calyx | 13 | |
| Lower calyx | 24 | |
| Staghorn | 7 | |
| Side | ||
| Right | 22 | 44% |
| Left | 16 | 32% |
| Bilateral | 12 | 24% |
| Size [mm], mean (range) | ||
| Height | 13.56 | 3.59–48.8 |
| Width | 17.56 | 5.16–58.36 |
| Depth | 11.97 | 4.4–27.6 |
| HU, mean (range) | 1,016 | 312–1703 |
| DJ stent preoperatively | ||
| Yes | 25 | 50% |
| No | 25 | 50% |
| Stone composition | ||
| Uric acid | 6 | |
| Calcium oxalate monohydrate | 34 | |
| Calcium oxalate dihydrate | 18 | |
| Carbapatite | 15 | |
| Magnesium ammonium phosphate | 4 | |
| Mixed | 22 | |
BMI – body mass index; DJ – double-J; ECIRS – endoscopic combined intrarenal surgery; HU – Hounsfield Units; PCNL – percutaneous nephrolithotripsy; RIRS – retrograde intrarenal surgery URSL – ureteroscopic lithotripsy