目的:研究喂养指数对婴幼儿营养状况评价及体格发育的预测价值。方法:随机抽取378例6~24月龄婴幼儿,分为6~12月龄组(124例)、13~18月龄组(131例)和19~24月龄组(123例),比较不同月龄段婴幼儿喂养指数及年龄别身高Z评分(HAZ)、年龄别体重Z评分(WAZ)和年龄别头围Z评分(HCZ),并在各组中以喂养指数(总分13分)的60%为临界点分为喂养指数合格组与喂养指数不合格组,比较喂养指数与婴幼儿HAZ、WAZ、HCZ的关系。结果:13~18月龄组喂养指数较低,与其他组比较差异有统计学意义(P<0.05),6~12月龄组与19~24月龄组喂养指数比较差异无统计学意义(P>0.05),13~18月龄组与19~24月龄组HAZ和WAZ比较差异无统计学意义(P>0.05),均低于6~12月龄组(P<0.05),3组HCZ比较差异无统计学意义(P>0.05);378例婴幼儿中喂养指数不合格104例(27.51%),6~12月龄组不合格34例(27.42%)、13~18月龄组不合格50例(38.17%)、19~24月龄组不合格20例(16.26%)。3组喂养指数不合格率比较差异有统计学意义(χ2=18.962,P=0.000),13~18月龄组喂养指数不合格率较高。喂养指数合格组与喂养指数不合格组喂养指数、HAZ、WAZ及HCZ比较差异有统计学意义(P<0.05),其中不合格组HAZ、WAZ、HCZ均降低。结论:喂养指数能较好地反映婴幼儿的营养供给及利用情况,对婴幼儿喂养指数进行评价能较准确、及时地评估婴幼儿的生长发育情况。 OBJECTIVE: To study the predictive value of feeding index on infant nutritional status and physical development. Methods: A total of 378 infants aged 6 to 24 months were randomly divided into 6-12 months (124 cases), 13-18 months (131 cases) and 19-24 months (123 cases) The infant feeding index and age-specific height Z score (HAZ), age-specific weight Z score (WAZ) and age-related head circumference Z score (HCZ) of different age groups were calculated and the feeding index ) 60% of the critical point is divided into feeding index qualified group and feeding index unqualified group, compared with feeding index and infant HAZ, WAZ, HCZ relationship. Results: The feeding index of 13 to 18 months old group was lower than that of the other groups (P <0.05), but there was no significant difference in feeding index between 6 ~ 12 months group and 19 ~ 24 months group (P < (P> 0.05). There was no significant difference in HAZ and WAZ between 13 ~ 18 month group and 19 ~ 24 month old group (P> 0.05), all of which were lower than those of 6 ~ 12 month old group (P <0.05) There were no significant differences in HCZ between the two groups (P> 0.05); 378 infants failed to feed in 104 cases (27.51%), 34 cases (27.42%) failed in 6-12 months, 13-18 months Failed in 50 cases (38.17%), 19 to 24 months of age group failed in 20 cases (16.26%). There was significant difference in the failure rate of feeding index between the three groups (χ2 = 18.962, P = 0.000), and the failure rate of feeding index in 13 ~ 18 months group was higher. The index of feeding, HAZ, WAZ and HCZ of feeding qualified group and feeding index unqualified group were significantly different (P <0.05), in which HAZ, WAZ and HCZ of unqualified group were all decreased. Conclusion: Feeding index can better reflect the nutritional supply and utilization of infants and young children. The evaluation of infant feeding index can be more accurate and timely assessment of infant growth and development.