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Sample Size `.com`

CalculatorsWe have *30* calculators. This is a quick-start guide.

Documentation

Test 1 Mean

Compare 2 Means

Compare k Means

Test 1 Proportion

Compare 2 Proportions

Compare Paired Proportions

Compare k Proportions

Test Time-To-Event Data

Test Odds Ratio

Test Relative Incidence in Self Controlled Case Series Studies

These are the 5 literature citations used as references for our calculators:

Chow S, Shao J, Wang H. 2008.Sample Size Calculations in Clinical Research. 2nd Ed. Chapman & Hall/CRC Biostatistics Series.

Connor R. J. 1987. Sample size for testing differences in proportions for the paired-sample design.Biometrics43(1):207-211.

Farrington CP. 1995. Relative incidence estimation from case series for vaccine safety evaluation.Biometrics51:228-235.

Musonda, P, CP Farrington, HJ Whitaker. 2006. Sample sizes for self-controlled case series studies.Statistics in Medicine25:2618-2631.

Rosner B. 2010.Fundamentals of Biostatistics. 7th Ed. Brooks/Cole.

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