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Yeungnam Univ J Med > Volume 10(2); 1993 > Article
Yeungnam University Journal of Medicine 1993;10(2):369-379.
DOI:    Published online December 31, 1993.
A study of bone mineral density of lumbar spine by dual energy x-ray absorptiometry (DEXA) in children.
Chur Woo You, Son Moon Shin, Yong Hoon Park, Son Yong Kim
The bone mineral density(BMD) of the lumbar spine (L2L4) was measured by using dual energy x-ray absorptiometry(Norland M6 DEXA) in 80 children aged between 2months and 15years (group I:2monthlyears, group 2: 1year5years, group3:6years10years, group4*: 11years15years). The correlation coefficient of BMD with age, body weight, height and Tanner stage were 0.696, 0.693, 0.717 and 0.636 respectively. There were sigificant difference. in BMD(g/cm2) between-group 1(BMD : 0.335 0.175) and group 2(BMD : 0.627 0.200), and group 3(BMD : 0.714 0.189) and group.4(BMD : 0. 8730.163) (P<0.05). There was no significant difference of BMD between boys and girls(P<0.05). BMD also increased significantly with development of Tanner stages(Tanner stage 1 : 0.547 0.234, Tanner stage 2 : 0.783 0.136, Tanner stage 3 : 0.998 0.080) (P<0.05). These data indicate that the BMD was correlated with age, body weight, height and Tanner stage significantly and BMD increased significantly during growth spurt occured in 1 to 4years of age and puberty.
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