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RESULTS
Participant CharacteristicsThe analyses included 162 infants (n = 77 girls, n = 85 boys) aged 6 wk (median 6.33 wk) and 160 infants (n = 79 girls, n = 81 boys) aged 4 mo (median 3.64 mo) who underwent sonographic examinations as well as anthropometric and SFT measurements during regular study visits. Overall 160 children (n = 84 girls, n = 76 boys) completed the investigations at 1 y of age (median 1.04 y). The anthropometric and ultrasound data are presented in Tables 1 and 2. All infants were born full-term between the Data are presented as mean ± SD (n) along with the nonadjusted mean difference (95% confidence interval) from mixed models containing time, sex and an interaction between sex and time. SFT, skinfold thickness.
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