Obesity with radiological changes or depression was associated with worse knee outcome in general population: a cluster analysis in the Nagahama study

Table 2 Correlation between each variable and JKOM pain score

	Correlation coefficient	95% CI	P value
Age	0.176	0.138–0.214	< 0.0001
Sex*	–	–	0.0571
BMI	0.206	0.169–0.243	< 0.0001
K/L grade	0.391	0.358–0.424	< 0.0001
Muscle mass of lower extremity	− 0.011	− 0.050–0.028	0.5706
BMD	− 0.047	− 0.086 to − 0.008	0.0173
Depressive symptom*	–	–	0.0100
hs-CRP	0.093	0.055–0.132	< 0.0001
Hb-A1c	0.056	0.017–0.095	0.0049
HDL-cholesterol	− 0.060	− 0.098 to − 0.021	0.0027
LDL-cholesterol	− 0.031	− 0.070–0.008	0.1197
Triglyceride	0.014	− 0.025–0.053	0.4827
Uric acid	0.021	− 0.018–0.059	0.3016

Pearson’s correlations were used for analysis
Variables in bold indicate statistically significant results
BMI body mass index, BMD bone mineral density, hs-CRP high-sensitivity C-reactive protein, HbA1c hemoglobin A1c, K/L Kellgren/Lawrence
*Student’s t test was used for dichotomous variables

ISSN: 1478-6362