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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