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Table 3 Bone mineral density (BMD) over study period*, mean (SD)

From: Longitudinal analysis of vertebral fracture and BMD in a Canadian cohort of adult cystic fibrosis patients

  BMD 1
(Baseline)
BMD 2 BMD 3 BMD 4 BMD 5
Lumbar Spine, n n = 45 n = 36 n = 28 n = 17 n = 10
   T-score/Z-score (SD) -0.80 (1.10) -0.91 (1.09) -0.95 (0.94) -1.08 (1.01) -1.17 (1.26)
   BMD, g/cm2 (SD) 0.972 (0.12) 0.968 (0.12) 0.968 (0.11) 0.956 (0.11) 0.944 (1.14)
Proximal Femura, n n = 41 n = 37 n = 29 n = 18 n = 10
   T-score/Z-score (SD) -0.57 (0.97) -0.59 (1.02) -0.71 (0.88) -0.82 (0.89) -0.92 (1.14)
   BMD, g/cm2 (SD) 0.902 (0.13) 0.898 (0.14) 0.888 (0.12) 0.869 (0.12) 0.857 (0.16)
Whole Body, n n = 46 n = 36 n = 27 n = 18 n = 10
   T-score/Z-score (SD) -0.71 (1.11) -0.50 (1.07) -0.61 (1.13) -0.65 (1.04) -0.72 (1.25)
   BMD, g/cm2 (SD) 1.120 (0.97) 1.136 (0.11) 1.123 (0.11) 1.111 (0.10) 1.100 (0.11)
  1. * The mean follow-up time between first and last BMD examination was 4.03 years (SD 1.45)
  2. T-scores for participants over 19 years of age, and Z-scores for those under 19 years of age.
  3. aAverage of left and right sides