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Table 5 Bone mineral mass and body composition (means/SD) according to the general outcome - sample 1 (n = 52), p-values refer to a t-test for dependent samples and indicate differences between first examination and follow-up

From: Bone mineral density in partially recovered early onset anorexic patients - a follow-up investigation

Outcome

good

n = 26

intermediate

n = 20

poor

n = 6

BMI (kg/m 2 )

20.5 (± 2.2)

20.6 (± 3.0)

17.1 (± 2.6)

FBM (%)

27 (± 8)**

p < 0.001 (+)

25 (± 8)**

p < 0.001 (+)

19 (± 7)*

p = 0.021 (+)

Δ FBM (Mean/SD)

0.13 (± 0.10)

0.11(± 0.07)

0.12 (± 0.10)

LBM (kg)

39 (± 5)**

p < 0.001 (+)

39 (± 3)*

p = 0.001 (+)

36 (± 4)

p = 0.062 (+)

Δ LBM (Mean/SD)

4.94 (± 6.5)

3.90 (± 3.48)

4.27 (± 4.28)

BMD (g/cm 2 )

1.10 (± 0.07)**

p = 0.000 (+)

1.09 (± 0.06)

p = 0.050 (+)

1.02 (± 0.08)

p = 0.125 (-)

Δ BMD (Mean/SD)

0.08 (± 0.07)

0.02 (± 0.05)

-0.03 (± 0.04)

BMC (kg)

2.43 (± 0.30)**

p < 0.001 (+)

2.38 (± 0.3)**

p < 0.001 (+)

2.04 (± 0.3)

p = 0.872 (+)

Δ BMC (Mean/SD)

0.08 (± 0.07)

0.02 (± 0.05)

-0.05 (± 0.04)

BMC/LBM (at follow-up)

0.062 (± 0.008)

p = 0.15

0.060 (± 0.007)

p = 0.53

0.054 (± 0.004)*

p < 0.05

Δ BMC/LBM (Mean/SD)

-0.003 (± 0.008)

-0.001 (± 0.008)

+0.007 (± 0.004)

  1. + = increase, - = decrease
  2. * p < 0.05; ** p < 0.001