Table 2

BMD, body composition, and physical performance in JIA patients and in controls
JIA patients (n = 31) Controls (n = 84) p
LS BMD (g/cm2) 1.09 ± 0.15 1.226 ± 0.10 <0.001
LS T-score -0.54 ± 1.09 0.25 ± 0.85 0.003
Total femur BMD (g/cm2) 0.92 ± 0.16 1.14 ± 0.10 <0.001
Total femur T-score -0.94 ± 1.13 0.67 ± 0.77 <0.001
Femoral neck BMD (g/cm2) 0.93 ± 0.17 1.13 ± 0.11 <0.001
Femoral neck T-score -0.97 ± 1.21 0.54 ± 0.88 <0.001
Trochanter BMD (g/cm2) 0.69 ± 0.14 0.89 ± 0.10 <0.001
Trochanter T-score -1.73 ± 1.35 -0.01 ± 0.97 <0.001
Distal radius BMD (g/cm2) 0.68 ± 0.08 0.73 ± 0.07 0.007
Distal radius T-score -0.59 ± 1.06 -0.30 ± 0.77 0.168
Total body BMD (g/cm2) 1.07 ± 0.19 1.21 ± 0.08 <0.001
Total body T-score -0.40 ± 0.92 0.64 ± 0.82 <0.001
Total body composition
Tissue mass (g) 63914 ± 11660 66813 ± 12338 0.273
Fat mass (%) 31.67 ± 10.63 24.93 ± 8.71 0.001
Lean mass (%) 64.64 ± 10.28 70.86 ± 8.52 0.002
BMC (%) 3.70 ± 0.48 4.20 ± 0.40 <0.001
Arms composition
Tissue mass (g) 7116 ± 1846 7446 ± 2017 0.578
Fat mass (%) 30.28 ± 12.23 21.79 ± 11.03 <0.001
Lean mass (%) 65.47 ± 11.69 73.28 ± 10.71 0.001
BMC (%) 4.25 ± 0.80 4.94 ± 0.69 <0.001
Legs composition
Tissue mass (g) 22922 ± 4009 23974 ± 4134 0.238
Fat mass (%) 34.86 ± 12.03 26.62 ± 9.36 <0.001
Lean mass (%) 61.33 ± 11.54 68.89 ± 9.04 <0.001
BMC (%) 3.82 ± 0.62 4.49 ± 0.50 <0.001
Trunk composition
Tissue mass (g) 30207 ± 6538 31302.0 ± 6245 0.426
Fat mass (%) 31.20 ± 11.28 25.84 ± 9.15 0.013
Lean mass (%) 66.39 ± 11.10 71.31 ± 9.03 0.021
BMC (%) 2.41 ± 0.37 2.85 ± 0.32 <0.001
Chair rise (5x) (sec) 10.29 ± 4.07 6.24 ± 1.47 <0.001
Walking rate (m/sec) 1.22 ± 0.33 1.40 ± 0.27 0.002

Brabnikova Maresova et al.

Brabnikova Maresova et al. BMC Musculoskeletal Disorders 2014 15:51   doi:10.1186/1471-2474-15-51

Open Data