Table 1.
Patient demographic and surgical characteristics
| Sample (n = 125) | Group SJ (n = 60) | Group DJ (n = 65) | p | |
|---|---|---|---|---|
| Demographic characteristics | ||||
| Sex, n (%) | ||||
| Male | 70.0 (56.0%) | 31.0 (51.7%) | 39 (60.0%) | 0.35 |
| Age (years), M ±SD | 57.2 ±12.2 | 56.8 ±12.0 | 57.5 ±12.4 | 0.60 |
| BMI (kg/m2), Mdn (IQR) | 27.4 (24.8–31.2) | 26.4 (24.5–30.1) | 27.8 (25.0–32.4) | 0.10 |
| Comorbidities | ||||
| Previous urolithiasis, n (%) | 86.0 (68.8%) | 44.0 (73.3%) | 42.0 (64.6%) | 0.29 |
| Previous urolithiasis surgery, n (%) | 80.0 (64.0%) | 40.0 (66.7%) | 40.0 (61.5%) | 0.55 |
| Arterial Hypertension, n (%) | 52.0 (41.6%) | 26.0 (43.3%) | 26.0 (40.0%) | 0.71 |
| Diabetes mellitus, n (%) | 25.0 (20.0%) | 10.0 (16.7%) | 15.0 (23.1%) | 0.37 |
| Depression, n (%) | 16.0 (12.8%) | 9.0 (15.0%) | 7 (10.8%) | 0.48 |
| ASA Score, n (%) | ||||
| ASA I | 13 (10.4%) | 6 (10.0%) | 7 (10.8%) | 0.97 |
| ASA II | 90 (72.0%) | 43 (71.7%) | 47 (72.3%) | |
| ASA III | 22 (17.6%) | 11 (18.3%) | 11 (16.9%) | |
| Lithiasis and surgery data | ||||
| Side, n (%) | ||||
| Left | 72 (57.6) | 39 (65.0) | 33 (50.8) | 0.11 |
| Stone number, n (%) | ||||
| One | 87 (69.6) | 36 (60.0) | 51 (78.5) | 0.03 |
| Multiple | 38 (30.4) | 24 (40.0) | 14 (21.9) | |
| Stone maximum diameter (mm), Mdn (IQR) | 11.0 (9.0–14.0) | 10.0 (9.0–13.0) | 12.0 (9.0–15.0) | 0.06 |
| Stone density (HU), Mdn (IQR) | 980.0 (525.0 –1343.3) | 1,060.0 (525.0 – 1363.0) | 900.0 (500.0 –1341.0) | 0.63 |
| Pre-stenting – ureteral stent in place at the time of surgery, n (%) | 54 (43.2) | 26 (43.3) | 28 (43.1) | 0.98 |
| Surgery duration (min), Mdn (IQR) | 27.0 (20.5–34.5) | 27.0 (21.0–34.0) | 27.0 (20.0–36.0) | 0.84 |
ASA – American Society of Anesthesiologists; HU – Hounsfield units; IQR – interquartile range; M – Mean; Mdn – Median; SD – standard deviation