| Mean operative time (minutes)±SD |
50±25 |
| Use of an access sheath (%) |
43 (36%) |
| Length of stay (days), mean (range) |
2.1 (0-90) |
| Day case |
88 (73%) |
| <24 hours |
19 (16%) |
| 1-3 days |
5 (4%) |
| >3 days |
8 (7%) |
| Post-operative drainage (JJ stent, ureteric catheter, stent on string), n (%) |
118 (98%) |
|
Stone composition
|
|
|
Calcium Oxalate |
66 (64.1%) |
|
Calcium Phosphate |
28 (27.2%) |
|
Magnesium Phosphate |
5 (4.9%) |
| Uric Acid |
4 (3.9%) |
| Singular Stone Composition |
59 (65.6%) |
| Mixed Stone Composition |
31 (34.4%) |
| Surgical complications, n(%) |
11 (9%) |
| Acute urinary retention (Clavien I/II) |
4 (3%) |
| Urosepsis (Clavien IV) |
1 (1%) |
| Urinary tract infection (Clavien I/II) |
4 (3%) |
| Post-operative stent pain (Clavien I/II) |
1 (1%) |
| Pneumonia (Clavien I/II) |
1 (1%) |
| Overnight stay for social reasons (frail, stay alone) |
12 (10%) |
| Overnight stay for patients who underwent elective catheterisation |
6 (5%) |
| Initial stone free rate (SFR) |
97 (88%) |
| Final SFR |
107 (97%) |
