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Estimation of Diagnostic Range for Measurement Tools, while BMD Testing to Health Examination in Transitional Ages

생애전환기 건강진단 골밀도 검사시 측정도구에 따른 진단범위의 유효성 평가

  • 김남수 (순천향대학교 환경산업의학연구소) ;
  • 정경식 (순천향대학교 환경산업의학연구소) ;
  • 강은정 (순천향대학교 보건행정경영학과) ;
  • 오정은 (순천향대학교 천안병원 가정의학과) ;
  • 이병국 (순천향대학교 환경산업의학연구소)
  • Received : 2012.08.20
  • Accepted : 2012.09.20
  • Published : 2012.10.28

Abstract

The aim of this study was to determine the effectiveness of diagnostic range for BMD measurement tools(DEXA, QUS, and RA) to health examination in transitional ages. In standard T-score -2.5 of DEXA, cutoff value by RA is -1.675(sensitivity: 70.0%, specificity: 63.7%) and cutoff value by QUS is -1.733(sensitivity: 70.4, specificity: 59.5%), also T-score -3.0 of DEXA, cutoff value by RA is -2.325(sensitivity: 70.0%, specificity: 42.9%) and cutoff value by QUS is -2.323(sensitivity: 70.4, specificity: 56.8%). There was, however, no significant difference in standard DEXA(lumbar spine and femur) between RA and QUS by repeat measurement(precision), and correlation were without effect. ROC analysis showed that all methods are qualified for BMD measurement tools to health examination in transitional ages; however, the different sensitivities and specificities of the methods, as well as age and gender, calibration parameters for diagnostic tests have to be considered.

Keywords

Transitional Ages;BMD;Sensitivity;Specificity

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