Coronary Artery Disease: A Study on the Joint Role of Birth Weight, Adenosine Deaminase, and Gender

Table 3

Distribution of ADA phenotypes in healthy newborns and in subjects with CAD.

	Healthy newborns	CAD	Chi square test of independence
			𝜒^2	df	𝑃
Females
% of carriers of ADA*2 allele	15.7%	18.3%	0.3606	1	.620
total no.	368	104
Males
% of carriers of ADA*2 allele	15.5%	7.6%	4.637	1	.035
total no.	394	118
Three-way contingency table analysis by a log-linear model:
x = samples (healthy newborn versus CAD) y = ADA, and z = gender.
x y z interaction:    G   df   𝑃
4.382      1   .042