Hsieh C C
Stat Med. 1985 Jan-Mar;4(1):23-7. doi: 10.1002/sim.4780040105.
This paper presents a procedure for estimating the confidence interval of the difference between proportions in paired observations. As an extension of McNemar's test, this large sample interval estimation procedure uses a variance estimator obtained at the limit and is not conditional on the number of discordant pairs.