Table 6 Notation for a general two-by-two table

p _i m _{i 1}

q _i m _{i 0}

p _i m _{i 1}+q _i m _{i 0}

(1-p _i )m _{i 1}

(1-q _i )m _{i 0}

(1-p _i )m _{i 1}+ (1-q _i )m _{i 0}

m _{i 1}

m _{i 0}

n _i = m _{i 1}+m _{i 0}

p _i

q _i

p _i -q _i

m _{i 1} /n _i

(p _i m _{i 1}+q _i m _{i 0})/n _i