. Author manuscript; available in PMC: 2013 Feb 11.

Published in final edited form as: Osteoporos Int. 2011 Sep 8;23(6):1779–1787. doi: 10.1007/s00198-011-1769-9

Table 3.

Crude and adjusted mean differences (standard error) in hip structural analysis parameters between cohorts

	Unadjusted model	Model 1^a		Model 2^a

	Cohort^b	Cohort^b	Lean mass (kg)	Cohort^b	Total fat (kg)	Fat ratio	Lean mass (kg)
Narrow neck
BMD, g/cm²	−0.063 (0.023)^*	−0.032 (0.021)	0.0087 (0.0012)^*	−0.038 (0.021)	0.00072 (0.0012)	0.032 (0.016)	0.0078 (0.0015)^*
CSA, cm²	−0.17 (0.079)^*	−0.088 (0.071)	0.033 (0.004)^*	−0.10 (0.073)	0.0024 (0.0042)	0.087 (0.056)	0.030 (0.0050)^*
Width, cm	0.029 (0.035)	0.012 (0.35)	0.0047 (0.002)^*	0.017 (0.036)	−0.00072 (0.0021)	−0.027 (0.027)	0.0056 (0.0024)^*
Sect mod, cm³	−0.13 (0.061)^*	−0.094 (0.057)	0.020 (0.0033)^*	−0.11 (0.059)	0.00031 (0.0034)	0.057 (0.045)	0.019 (0.0040)^*
Av cortex, cm	−0.013 (0.0047)^*	−0.0067 (0.0044)	0.0018 (0.0002)^*	−0.0080 (0.0045)	0.00014 (0.00026)	0.0066 (0.0035)	0.0016 (0.00031)^*
Av BR	0.96 (0.29)^*	0.56 (0.28)^*	−0.085 (0.016)^*	0.64 (0.29)^*	−0.0011 (0.017)	−0.42 (0.22)	−0.072 (0.020)^*
Cent pos	−0.0096 (0.0023)^*	−0.0082 (0.0024)^*	0.0004 (0.0001)^*	−0.0087 (0.0024)^*	−0.00011 (0.00014)	0.00053 (0.0019)	0.00044 (0.00017)^*

HSA hip structural analysis, STE standard error, BMD bone mineral density, CSA cross-sectional area, Sect mod sectional modulus, Av cortex average cortical thickness, Av BR average buckling ratio, Cent pos centroid position. Mean difference between HIV/HCV cohort and BACH/Bone cohort

p<0.05

Adjusted for race, age, smoking status, and height

Difference [beta (standard error)] in HSA parameters in the HIV/HCV vs BACH/Bone cohorts