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Table 2 Pearson correlation coefficients between irisin and metabolic parameters

From: Circulating levels of irisin in middle-aged first-degree relatives of type 2 diabetes mellitus — correlation with pancreatic β-cell function

  r P value
Age (years) -0.073 0.434
Waist (cm) 0.064 0.491
Hip (cm) 0.165 0.071
WHR -0.043 0.64
BMI (kg/m2) 0.08 0.383
Systolic BP (mmHg) 0.016 0.864
Diastolic BP (mmHg) -0.079 0.389
TC (mM) 0.088 0.338
TG (mM) 0.144 0.115
HDL-C (mM) 0.075 0.409
LDL-C (mM) 0.071 0.439
FFA (mM) 0.06 0.52
FPG (mM) 0.165 0.069
2h PG (mM) 0.077 0.399
HbA1C (%) 0.202 0.026
Insulin (mU) 0.166 0.069
HOMA-β 0.161 0.079
HOMA-IR 0.178 0.052
ALT (IU/L) 0.001 0.991
AST (IU/L) -0.063 0.489
Urea (mM) -0.127 0.165
Creatinine (μM) -0.126 0.166
Uric acid (μM) 0.047 0.609
eGFR (ml/min/1.73 m2) 0.239 0.01
Muscle mass (kg) 0.019 0.841
Fat mass (kg) 0.018 0.85
Percentage of body fat (%) 0.01 0.914
  1. WHR: waist-to-hip ratio; BMI: body mass index; BP: blood pressure; TC: total cholesterol; TG: triglycerides; HDL-C: high-density lipoprotein cholesterol; LDL-C: low-density lipoprotein cholesterol; FFA: free fatty acids; FPG: fasting plasma glucose; 2h PG: 2h plasma glucose; HbA1C: haemoglobin A1C; HOMA-β: homeostasis model assessment-β; HOMA-IR: homeostasis model assessment of insulin resistance; ALT: alanine transaminase; AST: aspartate transaminase; eGFR: estimated glomerular filtration rate. P values < 0.05 were shown in bold.