LibGuides: WHSL Evidence-Based Medicine: EBM Calculators

EBM Calculators

CEBM Stats Calculator
Diagnostic Test - calculates the Sensitivity, Specificity, PPV, NPV, LR+, and LR-
Prospective Study - calculates the Relative Risk (RR), Absolute Relative Risk (ARR), and Number Needed to Treat (NNT)
Case-control Study - calculates the O
Diagnostic Test Calculator
This calculator can determine diagnostic test characteristics (sensitivity, specificity, likelihood ratios) and/or determine the post-test probability of disease given the pre-test probability and test characteristics.
JAMAEvidence Calculators
Therapy, Risk Reduction, Number Needed to Treat, Harm, Risk Increase, Number Needed to Harm, Diagnosis, Likelihood Ratio, Agreement Calculator (Kappa)
UpToDate Calculators
Calculators used in Cardiology, Critical Care, Emergency Medicine, Endocrinology, Gastroenterology, Hepatology, Haematology, Hospital Medicine, ID, Nephrology, Neurology, Obstetrics, Oncology, Paediatrics, Primary Care, Pulmonology, Rheumatology and Surgery

Useful Calculators for EBM

Diagnostic Test Calculator
This calculator can determine diagnostic test characteristics (sensitivity, specificity, likelihood ratios) and/or determine the post-test probability of disease given the pre-test probability and test characteristics.
Diagnostic Test Calulators
From Essential Evidence Plus. Click on the i icon to find out more about this resource.
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The Diagnostic Test Calculators, divided into 450 symptom/disease pairings, help clinicians choose the best diagnostic test and interpret the test results. The tool offers test characteristics and an estimate of the probability of disease before conducting a test. The calculators also outline the probability of disease based upon test results. You can tailor test result interpretations based on the details of the clinical circumstance.
History and Physical Test Calculators
From Essential Evidence Plus. Click on the i icon to find out more about this resource.
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History and Physical Test Calculators are designed to support clinical decision making and are divided into 200 symptom/disease pairings help you determine the likelihood of a patient having a disease based on information gathered during a history and physical evaluation. Find out the probability of disease based upon the results of clinical evaluation before doing additional testing.
JAMAEvidence Calculators
Therapy, Risk Reduction, Number Needed to Treat, Harm, Risk Increase, Number Needed to Harm, Diagnosis, Likelihood Ratio, Agreement Calculator (Kappa)
Toronto CEBM Stats Calculator
Diagnostic Test - calculates the Sensitivity, Specificity, PPV, NPV, LR+, and LR-
Prospective Study - calculates the Relative Risk (RR), Absolute Relative Risk (ARR), and Number Needed to Treat (NNT)
Case-control Study - calculates the O
UpToDate Calculators
Calculators used in Cardiology, Critical Care, Emergency Medicine, Endocrinology, Gastroenterology, Hepatology, Haematology, Hospital Medicine, ID, Nephrology, Neurology, Obstetrics, Oncology, Paediatrics, Primary Care, Pulmonology, Rheumatology and Surgery