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目的了解本地区0~3岁儿童骨密度情况。方法 6527例健康体检的0~3岁健康儿童,均采用定量超声技术检测其骨密度,分析检测结果。结果 6527例儿童中骨密度低下总检出率63.93%(4173/6527);女童骨密度低下检出率为70.01%(2057/2938),高于男童的58.96%(2116/3589)(P<0.05);骨密度低下发生率以0~6个月组最高,7~12个月次之,总体1岁内婴儿骨密度不足检出率明显高于1岁以上幼儿(P<0.05)。结论本地区0~3岁婴幼儿骨密度低下率较高,与性别、年龄相关,还与出生时的孕周和出生体重相关。
Objective To understand the bone mineral density in children aged 0 ~ 3 years in this area. Methods A total of 6527 healthy children aged 0-3 years with healthy physical examination were tested for bone mineral density using quantitative ultrasound and the results were analyzed. Results The total detection rate of bone mineral density was 63.93% (4173/6527) in 6527 children. The detection rate of bone mineral density was 70.01% (2057/2938) in girls and 58.96% (2116/3589) in boys (P <0.05). The incidence of low BMD was the highest in 0 ~ 6 months group, followed by 7 ~ 12 months. The detection rate of infant under 1 year old was significantly higher than that of children over 1 year old (P <0.05). Conclusions The low BMD in infants and young children aged 0 ~ 3 years old in this area is high, related to gender and age, and also related to gestational age and birth weight at birth.