Table 1. Levels of phosphorylcholine antibodies (IgM anti-PC) in newborn infants born at term and in their mothers, stratified by normal (normal for gestational age:NGA, n = 7) or low (small for gestational age:SGA, n = 16)birth weight.

	IgM anti-PC (U/ml)
Subjects	Median	IQR
Infants,NGA	0.48	0.0–0.7
Infants, SGA	0.27	0.0–1.5
Mothers to NGA-infants	62	43–194
Mothers to SGA-infants	79	58–100

IQR = inter quartile range.