Exact 95% confidence intervals for differences in binomial proportions.

T Fagan

doi:10.1016/s0010-4825(98)00047-x

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Exact 95% confidence intervals for differences in binomial proportions.

T Fagan

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Abstract

A method is described that allows exact 95% confidence intervals to be computed for differences in binomial proportions. The method itself is not iterative, but it uses the iteratively computed 95% confidence intervals for the individual binomial proportions. The method converges with the usual normal approximation method, as denominators become large. It correlates very closely with the Yates-corrected chi-square test. The method works regardless of the definition of success or failure in the proportions and regardless of the order of the proportions.

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T Fagan. 1999. Exact 95% confidence intervals for differences in binomial proportions.. https://doi.org/10.1016/s0010-4825(98)00047-x

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