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Table 3 Comparison of measurements from μCT and CBCT images acquired at three different voltage settings

From: Evaluation of trabecular bone microstructure and cortical morphology using cone-beam and micro-CT images: impact of tube voltage setting

 

Trabecular measurements

Cortical measurements

BV/TV (%)

Tb.Th (mm)

Tb.Sp (mm)

Ct.Ar (mm2)

Ct.Th (mm)

μCT—CBCT80a

0.3111

 < 0.0001*

 < 0.0001*

0.9626

 < 0.0001*

μCT—CBCT85a

0.2110

 < 0.0001*

 < 0.0001*

0.7302

 < 0.0001*

μCT—CBCT90a

0.2272

 < 0.0001*

 < 0.0001*

0.8372

 < 0.0001*

CBCT80–85−90b

0.976

0.972

0.793

0.998

0.970

  1. μCT micro-CT, CBCT cone beam computer tomography; volume, BV/TV bone volume fraction, Tb.Th trabecular thickness, Tb.Sp trabecular separation, Ct.Ar cortical area, Ct.Th cortical thickness
  2. *Statistical significance (p < 0.01)
  3. aPaired T-tests
  4. bANOVA