Infant growth by INTERGROWTH-21st and Fenton Growth Charts: Predicting 1-year anthropometry in South African preterm infants

IF 2.8 2区医学 Q3 NUTRITION & DIETETICS

Maternal and Child Nutrition Pub Date : 2024-05-23 DOI:10.1111/mcn.13663

Sanja Nel, Ute Dagmar Feucht, Tanita Botha, Friedeburg Anna Maria Wenhold

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Abstract

Post-natal growth influences short- and long-term preterm infant outcomes. Different growth charts, such as the Fenton Growth Chart (FGC) and INTERGROWTH-21st Preterm Post-natal Growth Standards (IG-PPGS), describe different growth curves and targets. This study compares FGC- and IG-PPGS-derived weight-for-postmenstrual age z-score (WZ) up to 50 weeks postmenstrual age (PMA50) for predicting 1-year anthropometry in 321 South African preterm infants. The change in WZ from birth to PMA50 (ΔWZ, calculated using FGC and IG-PPGS) was correlated to age-corrected 1-year anthropometric z-scores for weight-for-age (WAZ), length-for-age (LAZ), weight-for-length (WLZ) and BMI-for-age (BMIZ), and categorically compared with rates of underweight (WAZ < −2), stunting (LAZ < −2), wasting (WLZ < −2) and overweight (BMIZ > + 2). Multivariable analyses explored the effects of other early-life exposures on malnutrition risk. At PMA50, mean WZ was significantly higher on IG-PPGS (−0.56 ± 1.52) than FGC (−0.90 ± 1.52; p < 0.001), but ΔWZ was similar (IG-PPGS −0.26 ± 1.23, FGC −0.11 ± 1.14; p = 0.153). Statistically significant ΔWZ differences emerged among small-for-gestational age infants (FGC −0.38 ± 1.22 vs. IG-PPGS −0.01 ± 1.30; p < 0.001) and appropriate-for-gestational age infants (FGC + 0.02 ± 1.08, IG-PPGS −0.39 ± 1.18; p < 0.001). Correlation coefficients of ΔWZ with WAZ, LAZ, WLZ and BMIZ were low (r < 0.45), though higher for FGC than IG-PPGS. Compared with IG-PPGS, ΔWZ < −1 on FGC predicted larger percentages of underweight (42% vs. 36%) and wasting (43% vs. 39%) and equal percentages of stunting (33%), while ΔWZ > + 1 predicted larger percentages overweight (57% vs. 38%). Both charts performed similarly in multivariable analysis. Differences between FGC and IG-PPGS are less apparent when considering ΔWZ, highlighting the importance of assessing growth as change over time, irrespective of growth chart.

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通过 INTERGROWTH-21st 和 Fenton 生长图表预测婴儿生长情况：预测南非早产儿 1 年的人体测量。

产后生长会影响早产儿的短期和长期预后。不同的生长图表，如芬顿生长图表（FGC）和 INTERGROWTH-21st 早产儿产后生长标准（IG-PPGS），描述了不同的生长曲线和目标。本研究比较了根据 FGC 和 IG-PPGS 得出的体重-月经后年龄 z-分数（WZ），直至月经后 50 周（PMA50），以预测 321 名南非早产儿 1 年的人体测量值。WZ从出生到PMA50的变化（ΔWZ，使用FGC和IG-PPGS计算）与年龄校正后的1年人体测量Z分数相关，包括体重年龄比（WAZ）、身长年龄比（LAZ）、体重身长比（WLZ）和体重指数年龄比（BMIZ），并与体重不足率（WAZ + 2）进行分类比较。多变量分析探讨了其他早期生活暴露对营养不良风险的影响。在 PMA50 时，IG-PPGS 的平均 WZ（-0.56 ± 1.52）明显高于 FGC（-0.90 ± 1.52；P + 1 预测了更大的超重百分比（57% 对 38%）。两种图表在多变量分析中的表现相似。当考虑ΔWZ时，FGC和IG-PPGS之间的差异就不那么明显了，这凸显了评估生长随时间变化的重要性，而与生长图表无关。

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来源期刊

Maternal and Child Nutrition 医学-小儿科

CiteScore

7.70

自引率

8.80%

发文量

144

审稿时长

6-12 weeks

期刊介绍： Maternal & Child Nutrition addresses fundamental aspects of nutrition and its outcomes in women and their children, both in early and later life, and keeps its audience fully informed about new initiatives, the latest research findings and innovative ways of responding to changes in public attitudes and policy. Drawing from global sources, the Journal provides an invaluable source of up to date information for health professionals, academics and service users with interests in maternal and child nutrition. Its scope includes pre-conception, antenatal and postnatal maternal nutrition, women''s nutrition throughout their reproductive years, and fetal, neonatal, infant, child and adolescent nutrition and their effects throughout life.