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Poorly Diagnostic Findings

Vesicoureteral Reflux: Sensitivity and Specificity

Introduction: Reflux of urine from the bladder into the ureters, a risk factor for multiple UTIs and potentially renal scarring / hydronephrosis.

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Tags: Congenital Renal Tag this Diagnosis.

Prevalence

Population / CalculatorPrevalence Comments / Study / Link
Children with first febrile UTI 29.5% any VUR

J Pediatr. 2009 Feb 19. PMID: 19230904

Children with first febrile UTI 17% high-grade VUR

J Pediatr. 2009 Feb 19. PMID: 19230904

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The sensitivity and specificity of findings for Vesicoureteral Reflux are listed below. See the left navigation bar to change the display.

Pre-Test Probability (Prevalence): %. Post-Test Probability (Predictive Value): %. Switch to display mode.
**Note that calculating probabilities from more than one finding is inherently inaccurate because findings are not independent. (For example, using two positive findings that share a common pathogenesis is likely to overestimate the true probability.)
Poorly Diagnostic Findings
FindingResult SensitivitySpecificity
[ + ] DMSA Scan + 0 - 65.5%63.8%
[ + ] Renal Ultrasound + 0 - 67.2%46.2%
[ + ] Renal Ultrasound or DMSA Scan + 0 - 83.2%38.6%