Sheskin DJ (2011) Handbook of parametric and nonparametric statistical procedures.

Altman DG (1991) Practical statistics for medical research. Trial (549) Platform: Windows Publisher: MedCalc Software File size: 24.70 Mb Updated: User Rating: 5.0 / 5 (2 votes) Editors' Review: Not yet reviewed Downloads: 4,889 Download MedCalc Similar software PyMCA 5.6.

The 95% confidence interval is calculated according to Sheskin, 2011. The two-sided P-value is based on the cumulative binomial distribution.

When the (two-sided) P-value is less than the conventional 0.05, the conclusion is that there is a significant difference between the two proportions. The program gives the difference between the proportions (expressed as a percentage) with 95% confidence interval.

in studies in which patients serve as their own control, or in studies with 'before and after' design.

The McNemar test is a test on a 2x2 classification table when the two classification factors are dependent, or when you want to test the difference between paired proportions, e.g.

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