Table 1.
Patients characteristics by treatment groups
| Rigid ureteroscopy | Flexible ureteroscopy | Rigid + flexible ureteroscopy | p | ||
|---|---|---|---|---|---|
| N = 31 | N = 44 | N = 25 | |||
| Multiple procedures | 1 | 9 | 3 | 0.05 | |
| Gender | F | 8 (26.7 %) | 17 (44.7 %) | 9 (40.9 %) | |
| M | 22 (73.3 %) | 18 (55.3 %) | 13 (59.1 %) | ||
| Median age at TT (years old) | 54.2 (35.8–66.2) (25.3–82.4) | 43.4 (25.1–60) (21–76.4) | 54.7 (39–61) (26.8–76.4) | 0.07 | |
| ASA 1 | 22 | 30 | 10 | ||
| ASA 2 | 8 | 5 | 12 | ||
| Median BMI (kg/m2) (IQR) (Min-max) | 25.4 (24–28.3) (17.3–37.8) | 26 (24.3–29.3) (18.9–38.1) | 26.8 (23.9–28) (21–39.9) | 1 | |
| History of urinary stones treatment (same side) | ESWL | 1 | 4 | 1 | 0.014 |
| URS | 2 | 4 | 0 | ||
| PCNL | 0 | 3 | 0 | ||
| Preoperative JJ stent | 24 (77.4 %) | 35 (79.5 %) | 23 (92 %) | 0.2 | |
| Median time between diagnosis and TT (days) (IQR) (min-max) | 58 (30–92.5) (7–146) | 63 (33–80.5) (14–127) | 57.4 (41–80) (14–213) | 0.9 | |
| Stones size (mm) (IQR) (min-max) | 7 (6–10) (4–30) | 12.5 (10–17.5) (6–30) | 8 (6.5–14) (4–34) | 0.0008 | |
| Median stones density (UH) (IQR) (min-max) | 1000 (900–1200) (550–1330) | 920 (800–1000) (500–1580) | 895 (525–1150) (433–1450) | 0.13 | |
| Median operative time (min) (IQR) (min-max) | 41.5 (31–59.5) (10–90) | 60 (52.5–79) (20–150) | 60 (46.2–66.7) (31–90) | <0.0001 | |
| Postoperative double pigtail stent | 19 (61.3 %) | 33 (75 %) | 14 (56 %) | 0.2 | |
| Stone free | 27/30 (90 %) | 25/35 (71.4 %) | 21/22 (95.4 %) | 0.03 | |
| Postoperative complications | Clavien 2 | 0 | 2 APN | 0 | 0.3 |
| 1 APr | |||||
| Clavien 3 | 2 Renal colics | 1 Urinoma | 0 | ||