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Table 3 Univariate analysis of correlations to CFR and VO2peakFFM

From: Coronary microvascular function, insulin sensitivity and body composition in predicting exercise capacity in overweight patients with coronary artery disease

 

Univariate correlations

 

Coronary flow reserve

VO2PeakFFM

 

r

p-value

r

p-value

Age

−0.13

0.30

−0.38

0.0015

Echocardiography

Left ventricular ejection fraction (%)

0.20

0.10

0.33

0.008

End diastolic volume (mL/m2)

−0.06

0.61

0.32

0.01

End systolic volume (mL/m2)

−0.10

0.44

0.13

0.30

Coronary flow reserve (ratio)

-

-

0.41

0.0007

Exercise capacity

VO2peakFFM (ml/min/kg FFM(2/3))

0.41

0.0007

-

-

Respiratory exchange ratio (ratio)

−0.17

0.17

−0.08

0.52

Glucose metabolism

Insulin sensitivity (ISIcomposite)

0.04

0.73

0.08

0.53

Insulin sensitivity (ISIHOMA)

0.06

0.65

0.16

0.18

Hba1c (%)

0.03

0.79

−0.30

0.014

Fasting plasma glucose (mmol/L)

−0.06

0.64

−0.22

0.08

Fasting plasma insulin (pmol/L)

−0.16

0.20

−0.10

0.46

Glucose tolerance (2 h-PG) (mmol/L)

−0.20

0.09

−0.20

0.10

Beta cell function - Btotal (nL/kg/min)

0.11

0.36

−0.03

0.84

β-cell function adjusted for insulin sensitivity (Di)

0.23

0.07

0.08

0.56

Body composition

BMI (kg/m2)

−0.15

0.22

−0.05

0.67

Waist-to-hip-ratio

0.07

0.59

0.02

0.88

Body fat (%)

−0.21

0.09

−0.29

0.02

Visceral fat (mm3) (n = 37)

−0.22

0.17

−0.28

0.10

Central-to-peripheral fat ratio

0.13

0.30

−0.18

0.16

  1. VO2peak FFM peak rate of oxygen consumption per kilogram of fat free body mass, D i disposition index, BMI Body mass index