OBJECTIVES: The peripheral quantitative computed tomography (pQCT) is gaining popularity in the field of paediatric densitometry, however, very little is known about the precision errors of this method in diseased children. The aim of the study was to evaluate the precision errors of bone density, mass, dimensions, strength, mechanostat parameters and soft tissue at the forearm in diseased children. METHODS: Stratec XCT 2000L apparatus was used. The measurement sites were 4% and 66% of the forearm length. The study group consisted of 60 patients (31 girls) aged 5,7-18,0 yrs. RESULTS: We observed week relationships between precision errors and body size with r from -0,37 to 0,28. Relative precision errors (CV%(RMS)) were from 0,85% for radius 66% cortical bone density to 3,82% for fat cross-sectional area to muscle cross-sectional area ratio. Least significant change (LSC) was from 2,73% to 10,59%, respectively. CONCLUSION: Presented study reveal pQCT method at the forearm in diseased children as relatively precise technique. The results may help with planning and interpretation of pQCT studies in diseased children.<\/p>\n","protected":false},"excerpt":{"rendered":"
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