Urogenital Tract Infection

Table. 1.

Comparison of the variables between success and failure after ureteral stent removal

Variables Number of ureters
Total (n=81) Success (n=30) Failure (n=51) p-value*
Age (y) 53.4±9.6 53.9±9.2 53.2±9.9 0.740a)
BMI (kg/m2) 24.2±3.7 23.5±3.8 24.7±3.6 0.173a)
Serum Cr (mg/dl)c) 0.9±0.4 0.8±0.4 0.9±0.4 0.554a)
Ureteral stent duration (mo) 26.3±16.3 25.4±17.8 26.8±15.6 0.718a)
Hypertension No 44 19 25 0.212b)
Yes 37 11 26
Diabetes No 61 22 39 0.752b)
Yes 20 8 12
Asymptomatic bacteriuria No 46 25 21 0.002b)
Yes 35 5 30
Gynecologic malignancy Cervical 39 19 20 0.055b)
Uterine 26 5 21
Ovarian 16 6 10
Prior radiotherapy No 42 20 22 0.041b)
Yes 39 10 29
Hydronephrosis laterality Right 37 17 20 0.235b)
Left 30 10 20
Bilateral 14 3 11
Obstruction level Upper 9 3 6 0.934b)
Middle 9 3 6
Lower 63 24 39
Hydronephrosis etiology External pressure 23 7 16 0.001b)
Invasion of ureter 29 4 25
Periureteral infiltration 29 19 10
Ureteral stent size (Fr.) <6 19 7 12 0.984b)
≥6 62 23 39

Data are presented as the mean±standard deviation or number only.

BMI: body mass index, Cr: creatinine.

*p<0.05 was considered statistically significant.

a)Student t-test.

b)Chi-squared test.

c)Serum Cr (mg/dl) before ureteral stent removal.

Urogenit Tract Infect 2022;17:103-9 https://doi.org/10.14777/uti.2022.17.3.103
© 2022 Urogenit Tract Infect