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Table 2 DXR-BMD measurements

From: Antibodies to cyclic citrullinated protein and erythrocyte sedimentation rate predict hand bone loss in patients with rheumatoid arthritis of short duration: a longitudinal study

  Baseline (n = 163) One-year follow-up (n = 156) Two-year follow-up (n = 154) Five-year follow-up (n = 138)
DXR-BMD (g/cm2) 0.560
(0.491 to 0.608)
0.545
(0.470 to 0.590)
0.528
(0.458 to 0.586)
0.508
(0.427 to 0.572)
DXR-BMD change (%) †   -1.72
(-4.07 to -0.36)
-2.80
(-5.29 to -0.86)
-5.58
(-11.72 to -2.31)
Patients with loss in cortical hand bone (%) ‡   66.7 77.3 89.1
  1. Median (inter quartile range) for continuous variables, percentage for counts. Number of patients presented in brackets. DXR-BMD = digital X-ray radiogrammetry bone mineral density. † DXR-BMD change from baseline ‡ Decrease in DXR-BMD exceeding the least significant change (least significant change = -0.79%).