The genetics of feto-placental development: A study of acid phosphatase locus 1 and adenosine deaminase polymorphisms in a consecutive series of newborn infants

Table 6 Correlation between birth weight (BW) and placental weight (PW) according to the joint ACP₁-ADA₁ phenotype.

	Joint ACP₁-ADA₁ phenotype
Presence of ADA*2 allele	-	-	+	+
Presence of A or CA or CB types	-	+	-	+
BW-PW correlation coefficients (r)	0.193	0.613		0.648
Significance of r (p)	0.004	0.000		0.059
Total n°	217	101		9

Significance of difference among correlation coefficients p = 0.000. Significance of difference among correlation coefficients has been calculated according to Snedecor and Cochran

ISSN: 1477-7827