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. Author manuscript; available in PMC: 2009 Oct 1.
Published in final edited form as: J Clin Densitom. 2008 Aug 30;11(4):581–589. doi: 10.1016/j.jocd.2008.07.002

Table 2.

Body Composition as Measured by DXA , Mean ± SD (95% CI)

CF Healthy comparison group
Whole body (n=79) (n=318)
 Bone area (cm2) 1537 ± 280 (1474–1600)** 1660 ± 329 (1624–1697)
 BMC (g) 1388 ± 421 (1294–1483)* 1542 ± 520 (1485–1600)
 BMD (g/cm2) 0.885 ± 0.117 (0.859–0.912) 0.904 ± 0.135 (0.89–0.92)
Spine (n=81) (n=319)
 Spine area (cm2) 46.2 ± 8.6 (44.3–48.1)** 49.9 ± 10.3 (48.7–42.2)
 BMC (g) 35.6 ± 14.0 (32.5–38.7)# 40.4 ± 16.5 (38.6–87.2)
 BMD (g/cm2) 0.75 ± 0.18 (0.71–0.79) 0.78 ± 0.18 (0.76–0.80)
Total (n=79) (n=318)
 Fat mass (kg) 8.9 ± 4.6 (7.9–9.9)*** 11.2 ± 5.3 (10.6–11.8)
 Lean body mass (kg) 32.5 ± 9.9 (30.3–34.7)*** 36.1 ± 11.1 (34.9–37.3)
**

p<0.01

*

p=0.01

#

p = 0.02

***

p<0.0001