지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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초록· 키워드
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The aims of this study were to analyze the present state of skeletal maturation and to predict adult height in middle school girls. The sample of the study consisted of a total of 390 middle school grils aged 12-15 years.
Body mass was measured with a beam balance accurate to 0.1㎏, and stature was taken with a Martin's anthropometer..
Radiographs of the left hand and wrist were taken with an 31 portable(70kVp; 20mA) X-ray unit assembled in a portable apparatus designed and constructed according to the recommendations of Greulich and Pyle(1959). Skeletal age was determined by RUS scores(radius, ulna, and short bones) with TW2 method(Tanner et al., 1983).
All skeletal maturity assessments of the samples were made by author. The reliability of the ratings by the study assessor was tested using a random sample of radiographs from 30 girls aged 12-15 years. The absolute mean difference between first and second assessment was 0.17 years for the RUS(SD=0.27) system and 0.20 years for carpal(SD=0.26) system. Therefore, intra-observer reliability for skeletal age assessments were comparable with results of previous studies(Beunen et al. 1990; Song et al., 1998). Adult height were predicted by means of the Tanner-Whitehouse's age and sex related regression equations involving three variables of height, chronological age, bone age.
All analyses were carried out by the SAS computer programs(SAS Institute, 1988).
Skeletal maturity state was estimated by the calculation of 3, 10, 25, 50, 75, 90, and 97 percentiles. Comparisons between levels of maturity were applied by means of analysis of variance(ANOVA) and Duncan's a posteriori tests.
The results showed that in the boys, RUS scores increase nearly linearly between 12 and 15 years of age girls. RUS scores in boys varied from 829.50 for 12 years to 985.93 for 15 years.
Percentiles based on the RUS scores were largely distributed between 25th and 50th.
Bone ages were 14.43 for 12 years, 15.24 for 13 years, 15.71 for 14 years, 15.85 for 15 years.
Adult heights were predicted 159.94㎝ for 12 years, 158.78㎝ for 13 years, 160.15㎝ for 14 years, 158.39㎝ fat 15 years.
Body mass was measured with a beam balance accurate to 0.1㎏, and stature was taken with a Martin's anthropometer..
Radiographs of the left hand and wrist were taken with an 31 portable(70kVp; 20mA) X-ray unit assembled in a portable apparatus designed and constructed according to the recommendations of Greulich and Pyle(1959). Skeletal age was determined by RUS scores(radius, ulna, and short bones) with TW2 method(Tanner et al., 1983).
All skeletal maturity assessments of the samples were made by author. The reliability of the ratings by the study assessor was tested using a random sample of radiographs from 30 girls aged 12-15 years. The absolute mean difference between first and second assessment was 0.17 years for the RUS(SD=0.27) system and 0.20 years for carpal(SD=0.26) system. Therefore, intra-observer reliability for skeletal age assessments were comparable with results of previous studies(Beunen et al. 1990; Song et al., 1998). Adult height were predicted by means of the Tanner-Whitehouse's age and sex related regression equations involving three variables of height, chronological age, bone age.
All analyses were carried out by the SAS computer programs(SAS Institute, 1988).
Skeletal maturity state was estimated by the calculation of 3, 10, 25, 50, 75, 90, and 97 percentiles. Comparisons between levels of maturity were applied by means of analysis of variance(ANOVA) and Duncan's a posteriori tests.
The results showed that in the boys, RUS scores increase nearly linearly between 12 and 15 years of age girls. RUS scores in boys varied from 829.50 for 12 years to 985.93 for 15 years.
Percentiles based on the RUS scores were largely distributed between 25th and 50th.
Bone ages were 14.43 for 12 years, 15.24 for 13 years, 15.71 for 14 years, 15.85 for 15 years.
Adult heights were predicted 159.94㎝ for 12 years, 158.78㎝ for 13 years, 160.15㎝ for 14 years, 158.39㎝ fat 15 years.
목차
Abstract
Ⅰ. 서론
Ⅱ. 연구방법
Ⅲ. 결과
Ⅳ. 고찰
Ⅴ. 결론
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UCI(KEPA) : I410-ECN-0101-2009-692-016591272