Glucocorticoid-Induced Bone Loss Is Associated with Abnormal Intravertebral Areal Bone Mineral Density Distribution

Table 2

Mean (95% CI) ratio values of srBMD for all groups.

Ratio for subregions	Primary osteoporosis	GIO	Control
Posterior : whole (2 : 1)	1.13 (1.09–1.17)	1.27 (1.15–1.38) ^a	1.16 (1.12–1.19)
Middle : whole (3 : 1)	1.01 (0.99–1.03)	1.01 (0.92–1.10)	1.00 (0.98–1.01)
Anterior : whole (4 : 1)	0.84 (0.81–0.88)	0.72 (0.58–0.86) ^a	0.83 (0.80–0.86)
Superior : whole (5 : 1)	0.95 (0.93–0.98)	1.01 (0.94–1.10)	1.00 (0.96–1.04)
Central : whole (6 : 1)	0.90 (0.87–0.92)	0.85 (0.78–0.92)	0.92 (0.89–0.95)
Inferior : whole (7 : 1)	1.14 (1.12–1.18)	1.13 (1.02–1.24)	1.08 (1.05–1.11)
Middle : posterior (3 : 2)	0.90 (0.86–0.95)	0.81 (0.71–0.91)	0.87 (0.84–0.90)
Anterior : posterior (4 : 2)	0.76 (0.70–0.82)	0.59 (0.45–0.74) ^a	0.73 (0.69–0.77)
Anterior : middle (4 : 3)	0.84 (0.80–0.88)	0.75 (0.56–0.93)	0.84 (0.80–0.88)
Central : superior (6 : 5)	0.95 (0.91–1.00)	0.85 (0.75–0.95)	0.94 (0.89–0.99)
Superior : inferior (5 : 7)	0.85 (0.80–0.90)	0.93 (0.77–1.09)	0.95 (0.88–1.01)
Central : inferior (6 : 7)	0.80 (0.76–0.84)	0.78 (0.65–0.91)	0.86 (0.81–0.92)

Significant difference compared to both primary osteoporosis and control groups ().