From: The McNemar test for binary matched-pairs data: mid-p and asymptotic are better than exact conditional
Event B
Success
Failure
Sum
Event A
n 11(p 11)
n 12(p 12)
n 1+(p 1+)
n 21(p 21)
n 22(p 22)
n 2+(p 2+)
n +1(p +1)
n +2(p +2)
N (1)