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Table 3 Comparison of BMD and BSI mean values at 0 and 6 cm of pork rind layers for each scan modality

From: Bone strain index reproducibility and soft tissue thickness influence: a dual x-ray photon absorptiometry phantom study

 

FA

Array

HD

BMD

BSI

BMD

BSI

BMD

BSI

0 cm

0.987

2.168

0.987

2.121

1.005

2.077

6 cm

0.994*

2.134*

0.995*

2.099*

1.020*

2.045*

Difference 0–6 cm

+ 0.007

-0.034

+ 0.008

-0.022

+ 0.015

-0.032

% difference 0–6 cm

+ 0.76%

-1.57%

+ 0.83%

-1.03%

+ 1.46%

-1.55%

Highest LSC% (§)

1.4% (6 cm)

3.7% (3 cm)

1.3% (6 cm)

3.0% (both 1 and 6 cm)

1.6% (6 cm)

3.9% (6 cm)

  1. BMD Bone mineral density, BSI Bone strain index, FA Fast array, HD High definition, LSC% Least significant change percentage, 0 cm No pork rind layers. § indicates at which soft tissue thickness there was the highest value of LSC% in each scan modality
  2. *p < 0.05 when compared with no soft tissue superimposition (0 cm)