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International Journal of Morphology

On-line version ISSN 0717-9502

Abstract

NGUYEN, A.K.D et al. Head Circumference in Canadian Male Adults: Development of a Normalized Chart. Int. J. Morphol. [online]. 2012, vol.30, n.4, pp.1474-1480. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022012000400033.

Macrocephaly has been reported as one of the few physiological markers of several syndromes which are identified during childhood. However, only a limited number of studies have investigated whether macrocephaly persists in adults in these conditions, due to an absence of up-to-date reference charts constructed for typically developing adults. Available adult head circumference reference charts either don't measure individuals beyond 21 years of age, are outdated, mostly use homogeneous samples and most importantly do not account for the individual's height and weight at the same time. Two hundred twenty-one male adults were recruited in a large urban community. For each participant, height, weight and head circumference were measured. A significant positive relationship was found between head circumference and height (r=0.379) as well as between head circumference and weight (r=0.391) and a weaker positive correlation with bodymass index (r=0.213). Charts to determine the level of head circumference abnormalities in adulthood are provided, along with a calculation formula for head circumference based on height and weight. The findings indicate the necessity of taking height and weight into account when measuring head circumference in adults.

Keywords : Head circumference; Reference chart; Height; Weight; Adults.

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