Table 2. Per procedure and outcome data.
| Variable | Value |
|---|---|
| No. patients | 150 |
| Age (years) | 52.1±14.2 [19–87] |
| Sex | |
| Male | 104 (69.3) |
| Female | 46 (30.7) |
| BMI (kg/m2) | 23.3±4.5 (17.7–36.2) |
| Stone size (mm) | 7.2±3.4 (3.0–37.0) |
| SSD (mm) | 95.6±15.2 (65.3–134.7) |
| HU | 673.6±267.9 (184–1,416) |
| Side | |
| Right | 73 (48.7) |
| Left | 77 (51.3) |
| Location | |
| Proximal | 82 (54.7) |
| Mid | 5 (3.3) |
| Distal | 63 (42.0) |
| Preoperative Cr | 0.93±0.23 (0.56–1.6) |
| Preoperative eGFR | 92.5±51.2 (45.3–129.5) |
| Total No. ESWL | 1.5±0.9 [1–8] |
| ESWL intensity | |
| a–c | 6 (4.0) |
| 1 | 36 (24.0) |
| 2 | 85 (56.7) |
| 3 | 23 (15.3) |
| Pain during ESWL | |
| None | 77 (51.3) |
| Mild | 69 (46.0) |
| Severe | 4 (2.7) |
| SFR after each session | |
| 1st | 98 (65.3) |
| 2nd | 125 (83.3) |
| 3rd | 135 (90.0) |
| Complications (Clavien-Dindo) | |
| Grade 1 | 3 (2.0) |
| Voiding difficulty | 1 |
| Hematuria | 2 |
| Alpha blocker | 120 (80.0) |
Values are presented as mean ± SD (range) and/or frequency (%) appropriate. BMI, body mass index; SSD, skin-to-stone distance; HU, Hounsfield units; ESWL, extracorporeal shock wave lithotripsy.