Table 2 Patients characteristics by stone localization
Distal ureter stones | Proximal ureter stones | Renal stones | p | ||
|---|---|---|---|---|---|
N = 16 | N = 22 | N = 62 | |||
Multiple procedures | 0 | 2 | 11 | ||
Rigid ureteroscopy | 14 | 12 | 3 | ||
Flexible ureteroscopy | 0 | 2 | 43 | ||
Both | 2 | 8 | 16 | ||
Gender | Female | 6 | 8 | 24 | |
Male | 10 | 12 | 27 | ||
Median age at TT (years old) (IQR) (Min-max) | 54 (35–54) (25–82) | 52 (23–67) (23–80) | 57 (25–65) (25–76) | 0.8 | |
ASA 1 | 14 | 18 | 34 | ||
ASA 2 | 2 | 2 | 17 | ||
Median BMI (kg/T2) (IQR) (Min-Max) | 25 (24–28) (21–32) | 27 (25–29) (17–40) | 26 (24–28) (19–38) | 0.47 | |
History of urinary stones treatment (same side) | ESWL | 0 | 0 | 6 | 0.035 |
URS | 1 | 0 | 5 | ||
PCNL | 0 | 0 | 3 | ||
Preoperative JJ stent | 14 (87.5 %) | 18 (81.8 %) | 49 (79 %) | 0.74 | |
Median time between diagnosis and TT (days) (IQR) (Min-max) | 86 (50–109) (13–289) | 67 (38–93) (21–151) | 93 (65–156) (25–739) | 0.053 | |
Median Stone size (mm) (IQR) (Min-max) | 7 (5.3–10) (4–30) | 7 (6.3–8) (4–10) | 10 (6.6–13) (2–30) | 0.014 | |
Median stone density (UH) (IQR) (Min-max) | 1003 (930–1125) (550–1310) | 1000 (660–1200) (433–1330) | 943 (618–1000) 500–1580) | 0.24 | |
Median operative time (min) (IQR) (Min-max) | 40 (30–45) (20–60) | 45 (35–60) (10–90) | 60 (50–75) (20–150) | <0.0001 | |
Postoperative double pigtail stent | 8 (50 %) | 15 (68.2 %) | 43 (69.35 %) | 0.33 | |
Stone free after multiple procedures | 15/16 (93.7 %) | 19/20 (95 %) | 38/51 (74.5 %) | 0.053 | |
Postoperative complications | Clavien 2 | 1 AProst | 2 APN | ||
1 Renal colic | 1 Renal colic | ||||
Clavien 3 | 1 Urinoma | ||||