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. 2019 Mar 21;11(6):1733–1744. doi: 10.18632/aging.101865

Table 2. Univariate analysis of the correlation between GDF11 and other variables, unadjusted and after adjusting for age.

Serum logGDF11
Unadjusted correlation Adjusted correlation
Variable r P value r P value
Sex 0.01 0.810 0.01 0.828
Age -0.16 0.005
Weight 0.11 0.059 0.08 0.168
BMI 0.12 0.040 0.11 0.053
Body fat 0.07 0.189 0.09 0.096
FFM 0.06 0.308 0.02 0.769
FFMI 0.08 0.197 0.06 0.347
Waist circumference 0.10 0.076 0.11 0.055
SBP 0.01 0.902 0.06 0.330
DBP 0.04 0.452 0.06 0.304
Glucose 0.01 0.923 0.04 0.461
Insulin 0.08 0.160 0.09 0.142
Glucose 2 h OGTT 0.02 0.776 0.05 0.425
Insulin 2 h OGTT -0.06 0.360 -0.03 0.659
HOMA 0.08 0.193 0.08 0.152
QUICKI -0.04 0.484 -0.07 0.243
Triglycerides 0.03 0.578 0.05 0.437
Cholesterol 0.06 0.315 0.08 0.178
LDL-cholesterol 0.07 0.252 0.08 0.184
HDL-cholesterol -0.04 0.466 -0.03 0.604
Uric acid 0.01 0.823 0.01 0.824
logCRP 0.13 0.106 0.12 0.144
WBC -0.02 0.744 -0.03 0.658
ALT 0.09 0.130 0.07 0.197
AST -0.01 0.812 -0.01 0.887
AST/ALT ratio -0.12 0.044 -0.10 0.084
γ-GT -0.01 0.846 0.01 0.922
Creatinine 0.05 0.387 0.08 0.182
Leptin 0.11 0.076 0.11 0.062

Values are Pearson’s correlation coefficients and associated P values. CRP concentrations were logarithmically transformed for statistical analysis. BMI, body mass index; FFM, fat-free mass; FFMI, fat-free mass index; SBP, systolic blood pressure; DBP, diastolic blood pressure; OGTT, oral glucose tolerance test; HOMA, homeostatic model assessment; QUICKI, quantitative insulin sensitivity check index; CRP, C-reactive protein; WBC, white blood cells; ALT, alanine aminotransferase; AST, aspartate aminotransferase; γ-GT, γ-glutamyltransferase. For correlation with gender, male=1 and female=2 was used.