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目的分析早产儿早期体重增长速率对其1周岁时体格生长指标的影响。方法以2005年8月至2008年5月南京市妇幼保健院产科出生的96名胎龄28～36周的早产儿为研究对象,按照出生后最初3个月体重增长速率的百分位数将其分为4组(以A、B、C、D组分别代表组别生长速率百分位数P50～P75及>P75),比较4组早产儿1周岁时的平均体重与平均身长。结果 4组早产儿出生平均体重差异无统计学意义(P>0.05)。1周岁时A组平均体重显著低于C组及D组,而与B组差异无统计学意义(P>0.05);B组平均体重亦低于C组及D组;C组与D组间差异无统计学意义(P>0.05)。1周岁时除A组平均身长分别与C组和D组差异有统计学意义外(P<0.05),其余各组间差异均无统计学意义(P>0.05)。结论早产儿早期体重增长速率对其体格生长发育有一定影响。
Objective To analyze the effect of early body weight gain rate on body growth index at 1 year old. Methods A total of 96 preterm infants aged 28-36 weeks born in obstetrics and gynecology department of Nanjing Maternal and Child Health Hospital from August 2005 to May 2008 were studied. According to the percentage of body weight growth rate in the first 3 months after birth The patients were divided into 4 groups (groups A, B, C and D represented the percentage growth rates of group P25, P25-P50, P50-P75, and P75, respectively) Average weight and average length. Results The average birth weight of preterm infants in 4 groups had no significant difference (P> 0.05). At 1 year of age, the average body weight of group A was significantly lower than that of group C and group D, but not significantly different from group B (P> 0.05). The average weight of group B was also lower than that of group C and D The difference was not statistically significant (P> 0.05). At 1 year of age, there was no significant difference between the other groups except the average height of group A and group C and group D, respectively (P <0.05). Conclusion The rate of weight gain in the early stage of preterm infants has some influence on their physical growth and development.