EBMcalc Statistics

EBMcalc Statistics

EBMcalc is the most popular and comprehensive Medical Calculator system on the web. It has been highly acclaimed, reviewed and tested over the last 20 years.

EBMcalc users should not make any medical decisions based on app content without seeking their doctor's advice.

EBMcalc Statistics is your iPhone answer for evidence-based medical calculations and medical statistics. Here you will find essential EBM equations, statistics tools and a a full suite of dose and unit converters ready for use, right in the palm of your hand!

EBMcalc makes the math of EBM simple!

Equations included:

Bayesian Statistics I MultiCalc

Bayesian Statistics II MultiCalc

Benefit Increase / Number Needed to Treat Multicalc

Chi Square Analysis

Confidence Interval of a Binomial Proportion

Confidence Interval of a Difference Between Proportions

Confidence Interval of a Ratio of Proportions

Confidence Interval of a Ratio of Ratios

Confidence Interval of a Survey

COPE Statistic Adding Cost to Number Needed to Treat

False Negative Rate from Sensitivity and Prevalence

False Negative Ratio from Sensitivity and Prevalence

False Positive Rate from Specificity and Prevalence

False Positive Ratio from Specificity and Prevalence

Kappa Measurement of Inter-observer Agreement MultiCalc

Kappa Measurement of Inter-observer Agreement: Bennett's Kappa

Kappa Measurement of Inter-observer Agreement: Cohen's Kappa

Kappa Measurement of Inter-observer Agreement: Scott's Kappa

Likelihood Ratio MultiCalc

Likelihood Ratio of Negative from Raw Data

Likelihood Ratio of Positive from Raw Data

Negative Predictive Value from Raw Data

Negative Predictive Value of a Test

Number Needed to Harm (NNH) from Odds Ratio (OR) and Patient Expected Event Rate (PEER)

Number Needed to Treat (NNT) from Odds Ratio (OR) and Patient Expected Event Rate (PEER)

Odds from Probability

Odds Ratio and Relative Risk

Overall Accuracy of a Test from Raw Data

Overall Accuracy of a Test from Sensitivity, Specificity and Prevalence

Positive Predictive Value from Raw Data

Positive Predictive Value of a Test

Post Test Odds from Pre Test Odds and Likelihood Ratio MultiCalc

Post Test Odds of a Negative from Raw Data

Post Test Odds of a Negative Result from Sensitivity Specificity and Prevalence

Post Test Odds of a Positive from Raw Data

Post Test Odds of a Positive Result from Sensitivity Specificity and Prevalence

Post Test Probability from Pre Test Probability, Sensitivity and Specificity

Post-Test Probability from Likelihood Ratios and Multiple Test Results

Pre Test Odds from Prevalence

Pre Test Odds from Raw Data

Prevalence of a Finding or Disease from Test Data

Probability from Odds

Risk Increase / Number Needed to Harm Multicalc

Risk Reduction / Number Needed to Treat Multicalc

Sensitivity of a Test

Specificity of a Test

Survey Sample Size with Population Correction

Survey Sample Size

True Negative Ratio from Specificity and Prevalence

True Positive Ratio from Sensitivity and Prevalence

Z Score to Percentile Estimation

Some Unit and Dose converters include:

Basic Units

Corticosteroid Dosing

Energy Unit Conversions

Flow Unit Conversions

Pressure Units

SI Unit Conversions

Standard Drink Equivalents

Temperature Unit Conversions

Thyroid Medication Dosing

Time Units

Volume Units

Weight Units

To practice, teach and learn medicine based on solid, literature based evidence, EBMcalc provides easy to use, interactive tools for your Evidence-Based Medicine.