Impact of spinal sagittal malalignment on locomotive syndrome and physical function in community-dwelling middle aged and older women

Table 2 Correlations between SIA and the investigation items using Pearson correlation coefficient

Variables	Correlation coefficient	p-value	Age-adjusted correlation coefficient	p-value
Age (year)	0.247	< 0.001	-	-
BMI (kg/m²)	0.030	0.576	0.056	0.298
Trunk muscle mass (kg)	-0.212	< 0.001	-0.179	< 0.001
SMI (kg/m²)	0.044	0.401	0.099	0.063
GLFS-25 (point)	0.312	< 0.001	0.292	< 0.001
ODI (%)	0.284	< 0.001	0.267	< 0.001
SF-8 PCS (point)	-0.210	< 0.001	-0.203	< 0.001
SF-8 MCS (point)	-0.022	0.679	-0.056	0.293
TKA (°)	-0.340	< 0.001	-0.326	< 0.001
LLA (°)	0.577	< 0.001	0.552	< 0.001
Grip strength (kg)	-0.219	< 0.001	-0.162	0.002
TUG (second)	0.501	< 0.001	0.453	< 0.001
Maximum stride (cm)	-0.133	0.012	-0.147	0.006
OLS (second)	-0.172	0.001	-0.087	0.102

Abbreviations: SIA spinal inclination angle, BMI body mass index, SMI skeletal muscle mass index, GLFS-25 25-question Geriatric Locomotive Function Scale, ODI Oswestry Disability Index, PCS physical component summary, MCS mental component summary, TKA thoracic kyphosis angle, LLA lumbar lordosis angle, TUG timed up-and-go test, OLS one-leg standing time

ISSN: 1471-2474