Clinical Study

Bone Mineral Density Accrual Determines Energy Expenditure with Refeeding in Anorexia Nervosa and Supersedes Return of Menses

Table 2

Bone marker, BMD, and hormone data (mean ± SD).

CharacteristicPatients with AN at admission
( )
Patients with AN at 90% IBW
( )
Amenorrheics at 90% IBW
( )
Regained menses at 90% IBW
( )
Controls
( )

Osteocalcina (ng/mL)8.1 ± 3.011.1 ± 5.911.4 ± 6.610.1 ± 3.68.7 ± 3.6
(33)(34)(25)(9)(12)
Urine NTXb,d (nmol/mmol Cr)72.4 ± 32.770.9 ± 46.880.0 ± 50.345.9 ± 22.748.3 ± 14.4
(34)(30)(22)(8)(11)
Total BMDb,c (g/cm2)1.05 ± 0.091.05 ± 0.091.04 ± 0.091.07 ± 0.061.13 ± 0.05
(37)(37)(27)(10)(16)
Spine BMDa,b,c (g/cm2)0.89 ± 0.150.94 ± 0.140.92 ± 0.140.98 ± 0.131.07 ± 0.09
(37)(37)(27)(10)(16)
Pelvis BMDa,b,c (g/cm2)0.91 ± 0.130.94 ± 0.120.93 ± 0.120.98 ± 0.091.07 ± 0.06
(37)(37)(27)(10)(16)
Legs BMDb,c (g/cm2)1.10 ± 0.151.09 ± 0.131.07 ± 0.141.12 ± 0.091.19 ± 0.07
(37)(37)(27)(10)(16)
IGF-1a,c (ng/ml)244.4 ± 103.1343.6 ± 120.1345.7 ± 121.4337.6 ± 123.2247.9 ± 76.5
(34)(35)(26)(9)(12)
Leptina (ng/ml)2.9 ± 2.714.7 ± 17.813.1 ± 15.619.3 ± 23.811.5 ± 5.9
(28)(31)(23)(8)(10)
Ghrelina (pg/ml)2025 ± 7481567 ± 6691588 ± 6541835 ± 12131738 ± 542
(24)(25)(21)(4)(11)
LHa,b (mIU/ml)1.4 ± 2.92.8 ± 2.82.5 ± 2.73.6 ± 3.14.0 ± 2.3
(30)(35)(25)(10)(13)
FSHa,b(mIU/ml)1.8 ± 2.12.7 ± 1.52.6 ± 1.33.0 ± 1.83.9 ± 1.3
(29)(34)(24)(10)(13)
Estradiola,b,c,d (pg/ml)23.7 ± 6.432.4 ± 14.028.2 ± 10.142.7 ± 17.352.4 ± 31.7
(32)(35)(25)(10)(14)
Testosterone (ng/dl)76.2 ± 36.781.8 ± 36.779.3 ± 38.689.1 ± 31.863.1 ± 21.0
(26)(31)(23)(8)(16)
DHEAS (μg/dl)153.1 ± 59.6142.0 ± 81.1139.8 ± 86.9150.2 ± 59.3175.8 ± 78.3
(25)(29)(23)(6)(16)
Cortisola (μg/dl)20.5 ± 5.516.7 ± 6.316.6 ± 5.916.2 ± 7.612.0 ± 4.3
(24)(27)(21)(6)(10)
TSH (mIU/L)2.0 ± 1.21.7 ± 1.01.9 ± 1.01.2 ± 0.41.9 ± 1.0
(23)(26)(21)(5)(12)
Total a (ng/dl)76.8 ± 18.3106.0 ± 28.3103.8 ± 27.8113.9 ± 30.9120.1 ± 22.9
(27)(32)(25)(7)(12)
Free b (ng/dl)1.0 ± 0.21.0 ± 0.21.0 ± 0.21.0 ± 0.11.1 ± 0.1
(27)(32)(25)(7)(12)

Significance set at for all comparisons and is noted in the table.
aSignificant difference between patients with AN at admission and patients with AN at 90% IBW.
bSignificant difference between patients with AN at 90% IBW and controls.
cSignificant difference between amenorrheics at 90% IBW and controls.
dSignificant difference between amenorrheics at 90% IBW and regained menses at 90% IBW.