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Table 2 Multivariate linear regression model investigating the predictors of LVEF in patients with CMVD (n = 20)

From: Factors influencing left ventricular ejection fraction in patients with coronary microvascular disease and obstructive coronary artery disease

PredictorsMultivariate final model
Coefficient β ± SEP-value95% confidence interval
Constant109.99 ± 5.47< 0.000195–124
Age1.31 ± 0.09< 0.00011.07–1.55
Systolic BP (mmHg)(− 0.58) ± 0.07< 0.0001(− 0.76) to (− 0.41)
Diastolic BP (mmHg)(− 1.71) ± 0.17< 0.0001(− 2.14) to (− 1.28)
HDL (µmol/l)(− 4.8) ± 1.40.02(− 8.5) to (− 1.14)
RDW2.15 ± 0.21< 0.00011.6 ± 2.7
HbA1c2.69 ± 0.40.0011.66–3.74
Chest tightness33.3 ± 2.69< 0.000126.4–40.2
Difficulty in breathing12.3 ± 2.090.0026.93–17.7
NYHA class I20.4 ± 2.70.00113.3–27.5
Alcohol20 ± 1.75< 0.000115.6–24.6
Hypertension57 ± 3.9< 0.000147–67
Diabetes mellitus(− 64) ± 5< 0.0001(− 77) to (− 51)
Troponin I(− 1.65) ± 0.13< 0.0001(− 1.9) to (− 1.3)
BNP (pg/ml)0.35 ± 0.0430.0010.24–0.46
  1. LVEF left ventricular ejection fraction, CMVD coronary microvascular dysfunction, HDL high density lipoprotein, RDW red cell distribution width, HbA1c glycated hemoglobin, BNP brain natriuretic peptide
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