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MedCalc
Easy-to-use statistical software
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Download our user-friendly MedCalc statistical software for your Windows desktop.
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Sample size calculation
Statistical tests
Sample size calculation
Sample size for statistical tests
Single mean
Single proportion
Comparison of means
Paired samples t-test
Comparison of proportions
McNemar test (paired proportions)
Correlation coefficient
Survival analysis (logrank test)
Area under ROC curve
Comparison of two ROC curves
Sample size for Confidence Interval estimation & precision
Single mean
Single proportion
Difference between means
Mean difference between paired samples
Difference between proportions
Difference between paired proportions
Coefficient of Variation from duplicate measurements