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Reliability of the Radiologic Measurement Methods for Assessment of Osteoporosis Using the Digital Hip Radiograph
Journal of the Korean Hip Society ; : 142-150, 2011.
Article in Korean | WPRIM | ID: wpr-727209
ABSTRACT

PURPOSE:

We evaluated the usefulness of radiographic parameters for osteoporosis by analyzing the results of radiographic parameters determined by digital hip radiographs and bone mineral density T-scores, as assessed by Dual Energy X-ray Absorptiometry (DEXA). MATERIALS AND

METHODS:

The authors reviewed 100 subjects in the hip fracture group and 50 in the non-fracture control group. Digital hip radiographs were assessed to determine the values of Singh index, Canal-to-Calcar Ratio, and Cortical Thickness Index (CTI). Bone mineral density was assessed by DEXA.

RESULTS:

Intraclass Correlation Coefficient (ICC) results of the CTI were above 0.8 in the fracture group. Compared to the control group, the fracture group showed higher ICCs. Interobserver ICCs were especially lower in the control group. There were statistically significant correlations between CTI and DEXA (r=0.50~0.58, p<0.05). In the analysis of ROC curves, a mean threshold for CTI set a value of 0.54 (0.53~0.55), and mean sensitivity and specificity were 75.5% (69~79%) and 67.8% (65~78%), respectively.

CONCLUSION:

CTI showed reasonable reliability and correlation with DEXA results. CTI was a useful radiographic parameter to alert the surgeon to recommend referral for osteoporosis evaluation in elderly hip fracture patients.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Osteoporosis / Referral and Consultation / Absorptiometry, Photon / Bone Density / ROC Curve / Sensitivity and Specificity / Hip Type of study: Diagnostic study / Prognostic study Limits: Aged / Humans Language: Korean Journal: Journal of the Korean Hip Society Year: 2011 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Osteoporosis / Referral and Consultation / Absorptiometry, Photon / Bone Density / ROC Curve / Sensitivity and Specificity / Hip Type of study: Diagnostic study / Prognostic study Limits: Aged / Humans Language: Korean Journal: Journal of the Korean Hip Society Year: 2011 Type: Article