Patient characteristic
|
Adjusted odds ratio (95% CI)
|
P Value
|
---|
Demographics
| | |
Age ≥ 65
|
2.26 (1.11, 4.62)
|
0.025
|
Medical history
| | |
Nephrolithiasis
|
3.44 (0.76, 15.6)
|
0.109
|
Abdominal malignancy
|
3.25 (1.42, 7.47)
|
0.005
|
‡Other
|
7.73 (2.26, 26.5)
|
0.001
|
- Abbreviations: RUS renal ultrasound, BPH benign prostatic hypertrophy, Cr creatinine.
- *Odds ratios and P values determined by multivariate logistic regression model including variables with bivariate logistic regression P-value < 0.2 (age ≥ 65, nephrolithiasis, abdominal malignancy, and other ‡).
- ‡Other includes neurogenic bladder, retroperitoneal fibrosis, congenital renal or urinary tract anomaly, prior pelvic surgery, prior ectopic pregnancy, prior pelvic inflammatory disease, prior surgery on kidney for reason other than cancer, and abdominal trauma.