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Table 3 Correlations between the absolute value of the ankle-brachial index and other parameters

From: Ankle-brachial index and eicosapentaenoic acid/arachidonic acid ratio in smokers with type 2 diabetes mellitus

 

Non-smoker

Smoker

Parameter

r (p)

β (p)

r (p)

β (p)

Age, yr

0.23 (0.09)

NE

0.06 (0.67)

NE

Sex, male (%)

0.14 (0.31)

0.19 (0.12)

0.03 (0.81)

NE

Body mass index, kg/m2

−0.07 (0.61)

NE

0.05 (0.70)

NE

Systolic blood pressure, mm Hg

−0.05 (0.71)

NE

−0.04 (0.78)

NE

Diastolic blood pressure, mm Hg

−0.11 (0.41)

NE

−0.13 (0.35)

NE

Antihypertensive drugs, n (%)

−0.15 (0.27)

NE

−0.10 (0.45)

NE

Glucose, mg/dL

−0.16 (0.25)

NE

0.03 (0.85)

NE

Hemoglobin A1c, (%)

−0.46 (<0.01**)

−0.45 (<0.01**)

0.01 (0.95)

NE

Insulin injection, n (%)

−0.21 (0.12)

NE

0.19 (0.14)

0.26 (0.06)

Retinopathy, n (%)

−0.02 (0.91)

NE

−0.08 (0.54)

NE

Neuropathy, n (%)

−0.18 (0.18)

NE

−0.04 (0.79)

NE

Nephropathy, n (%)

0.08 (0.58)

NE

−0.05 (0.73)

NE

LDL cholesterol, mg/dL

−0.01 (0.95)

NE

−0.05 (0.72)

NE

HDL cholesterol, mg/dL

0.06 (0.67)

NE

0.22 (0.10)

NE

Triglycerides, mg/dL

−0.22 (0.11)

−0.16 (0.17)

−0.16 (0.27)

NE

Statin drugs, n (%)

−0.12 (0.37)

NE

−0.15 (0.26)

−0.31 (0.03*)

AA, μg/mL

0.04 (0.78)

−0.13 (0.32)

EPA, μg/mL

−0.19 (0.16)

0.28 (0.04*)

EPA/AA ratio

0.05 (0.73)

NE

0.31 (0.02*)

0.41 (<0.01**)

  1. LDL low-density lipoprotein, HDL high-density lipoprotein, AA arachidonic acid, EPA eicosapentaenoic acid, NE not extracted; −: not used in the analysis. Data are Pearson’s r correlation coefficients and standardized β coefficients from stepwise multiple regression analysis
  2. * p < 0.05, ** p < 0.01