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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