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Table 2 Correlation between each variable and JKOM pain score

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

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