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Table 1 Patients characteristics of URSL with or without post-URSL fUTI

From: Optimal timing of ureteroscopic lithotripsy after the initial drainage treatment and risk factors for postoperative febrile urinary tract infection in patients with obstructive pyelonephritis: a retrospective study

Variables

fUTI − (N = 207)

fUTI + (N = 32)

p value

Age

   

 Median (range), years

66 (19–89)

66 (35–90)

0.97

Gender

   

 Male/female (%)

110/97 (53.1)

13/19 (40.6)

0.19

Body mass index

   

 Median (range), kg/m2

23.5 (14.3–41.8)

23.9 (15.9–37.9)

0.74

Comorbidities

   

 Diabetes yes/no (%)

49/158 (23.7)

5/27 (15.6)

0.31

 Hypertension yes/no (%)

88/127 (42.5)

15/17 (46.9)

0.64

 Hyperlipidemia yes/no (%)

30/177 (14.5)

6/26 (18.8)

0.53

Pre-URSL sepsis

   

 Yes/no (%)

69/138 (33.3)

17/15 (53.1)

0.01

Stone position at URSL

   

 Lower/mid/upper ureter/renal (%)

48/14/89/56 (23.2)/(6.8)/(43.0)/(27.0)

0/3/10/19 (0)/(9.3)/(31.2)/(59.5)

0.002

Stone laterality

   

 Right/left/bilateral (%)

90/113/4 (43.5)/(54.6)/(1.9)

14/16 /2 (43.7)/(50.0)/(6.3)

0.54

Stone size (maximal diameter)

   

 Median (range), mm

7.7 (2.5–49.2)

9.5 (5.5–44.6)

0.98

Maximal hounsfield unit value

   

 Median (range), HU

651 (163–1999)

875 (320–1593)

0.034

Pre-URSL renal pelvic urine culture

   

 Positive/negative/not evaluated (%)

83/104/20 (40.1)/(50.2)/(9.7)

13/18/1 (40.6)/(56.3)/(3.1)

0.4

Pre-URSL blood culture

   

 Positive/negative/not evaluated (%)

23/63/121 (11.1)/(30.4)/(58.5)

4/13/15 (12.5)/(40.6)/(46.9)

0.45

Pre-URSL prophylactic antibiotics

   

 Yes/no (%)

39/168 (18.8)

8/24 (33.3)

0.41

Operation time

   

 Median (range), min

57.0 (14–220)

81.5 (21–147)

 < 0.001

Pre-URSL ureteral stenting

   

 Yes/no (%)

192/15 (92.8)

30/2 (93.8)

0.41

Pre-URSL nephrostomy

   

 Yes/no (%)

15/192 (7.2)

2/30 (6.2)

0.66

Period from antipyresis to URSL

   

 Median (range), days

13.5 (1–83)

21.0 (2–90)

0.043

Pre-URSL ureteral stenting placement period

   

 Median (range), days

20 (0–124)

28.5 (2–117)

0.003

Using access sheath during URSL

   

 Yes/no (%)

124/83 (59.9)

25/7 (78.1)

0.047

Initial stone free rate

   

 Yes/no (%)

188/19 (90.8)

29/3 (90.6)

0.97

  1. fUTI febrile urinary tract infection, CT computed tomography, URSL ureteroscopic lithotripsy
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BMC Urology

ISSN: 1471-2490

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