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Table 2 Bone variables in patients with and without any vertebral deformity, measured morphometrically.

From: Quantitative ultrasound does not identify patients with an inflammatory disease at risk of vertebral deformities

 

Without deformity (192)

With any deformity (54)

All

P*

DXA variables

    

Femoral neck (g/cm2)

0.80 ± 0.12

0.76 ± 0.10

0.79 ± 0.11

0.006

   • T-score

-0.66 ± 0.9

-1.16 ± 0.8

-0.77 ± 0.9

<0.001

   • Z-score

-0.13 ± 1.0

-0.43 ± 0.9

-0.20 ± 1.0

0.06

Trochanter (g/cm2)

0.72 ± 0.13

0.69 ± 0.10

0.71 ± 0.13

0.2

   • T-score

-0.21 ± 1.0

-0.51 ± 0.8

-0.27 ± 1.0

0.04

   • Z-score

0.05 ± 1.1

-0.16 ± 0.8

0.00 ± 1.0

0.2

QUS variables

    

BUA (dB/MHz)

76 ± 16

73 ± 14

75 ± 16

0.2

SOS (m/s)

1545 ± 89

1531 ± 99

1542 ± 92

0.3

QUI

103 ± 45

94 ± 16

101 ± 41

0.1

T-score

-0.34 ± 1.1

-0.65 ± 0.9

-0.41 ± 1.0

0.04

  1. Data are given as mean ± SD or number (%); * p between patients with and without vertebral deformity;
  2. Abbreviations: DXA, dual energy X-ray absorption; QUS, quantitative ultrasound; BUA, broadband ultrasound attenuation; SOS, speed of sound; QUI, quantitative ultrasound index.