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. 2010 Dec 27;127(1):110–118. doi: 10.1542/peds.2010-1675

FIGURE 1.

FIGURE 1

Infant weight-for-age (A), weight-for-length (B), and length-for-age (C) z-score trajectories from birth to 7.5 months according to formula group. z scores were calculated by using the WHO growth standards. The arrow (↓) indicates the age at which infants were randomly assigned to either CMF or PHF. Infants randomly assigned to PHF had significantly lower weight-for-age and weight-for-length z scores and significantly less weight-for-age and weight-for-length z score change than did infants randomly assigned to CMF. No effect of formula was found for length-for-age z scores. A z score of 0 is considered normative, and z score-tracking is a clinical indicator of normative growth.32 a Groups differed significantly at P < .05 in the posthoc comparison.