Relationship between sacral-abdominal wall distance, movement performance, and spinal alignment in osteoporosis: a retrospective study

Table 6 Results of logistic regression analysis with SAD 160 mm or greater as the objective variable

Explanatory variables	β	SE(β)	Odds ratio (95% CI) for SAD more than 160 mm	P-value
CCI (points)	-0.13	0.14	0.88 (0.67–1.16)	0.36
Age (years)	-0.02	0.03	0.98(0.93–1.04)	0.52
Abdominal circumstance (cm)	0.07	0.03	1.08(1.02–1.14)	< 0.05
Frailty Index (points)	0.21	0.20	1.23(0.83–1.82)	0.30
Bone Mineral Density (Hip neck; g/cm²)	5.30	2.37	205.82(2.00–21234.57)	< 0.05
BMI (kg/m²)	0.21	0.09	1.23(1.03–1.467)	< 0.05
VAS (lumber)	0.07	0.09	1.07(0.90–1.29)	0.44
SVA (mm)	0.01	0.00	1.01(1.00–1.02)	< 0.05
PT (^°)	0.11	0.02	1.12(1.07–1.17)	< 0.001

AIC (Akaike’s information criterion) = 206.43, AUC (area under curve) = 0.90
β: regression coefficients in the model, SE(β): amount of change in odds ratio, SAD: abdominal wall-sacral distance, CCI: Charlson Comorbidity index, BMI: body mass index, VAS: Visual Analogue Scale, SVA: sagittal vertical axis, PT: pelvic tilt.

ISSN: 1471-2318