Urinary Tract Infection Risk Calculator
Estimate probability of urinary tract infection (UTI) based on symptoms and rapid dipstick parameters.
Input Parameters
Enter details for calculation.
Infection Probability
Expert Tip
Positive nitrites are highly specific for enterobacteriaceae infection. Confirm with a urine culture.
Calculation Methodology & Details
Formula
Dipstick findings indicate presence of bacterial conversion products and white blood cells.
Important Disclaimer
The calculations provided are for educational and general informational purposes only. They do not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider.
How UTI Risk is Scored
Follow these steps to use this calculator:
Log Dipstick Findings
Select nitrite and leukocyte results.
Read Probability
Assess likelihood of UTI.
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ℹ️ About this Calculation
This nephrology and urology clinical calculator evaluates renal function, electrolyte/acid-base equilibrium, urinary excretion kinetics, and urologic disease risk according to KDIGO and AUA clinical practice guidelines.
Variable Glossary
Renal & Lab Metrics
Serum creatinine, urinary sodium/urea, albumin, PSA levels, or ultrasound kidney dimensions.
Diagnostic Indexes
eGFR (CKD-EPI equation), Fractional Excretion of Sodium (FENa %), serum anion gap, and PSA doubling kinetics.
How to Calculate Step-by-Step
Step 1
Enter serum electrolytes, creatinine, or urinary excretion lab values.
Step 2
Specify patient demographic parameters (age, gender, height/weight).
Step 3
View calculated clearance rates, CKD stage classification, or acute kidney injury (AKI) differentiation.