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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

Predictors

Multivariate final model

Coefficient β ± SE

P-value

95% confidence interval

Constant

109.99 ± 5.47

< 0.0001

95–124

Age

1.31 ± 0.09

< 0.0001

1.07–1.55

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) ± 1.4

0.02

(− 8.5) to (− 1.14)

RDW

2.15 ± 0.21

< 0.0001

1.6 ± 2.7

HbA1c

2.69 ± 0.4

0.001

1.66–3.74

Chest tightness

33.3 ± 2.69

< 0.0001

26.4–40.2

Difficulty in breathing

12.3 ± 2.09

0.002

6.93–17.7

NYHA class I

20.4 ± 2.7

0.001

13.3–27.5

Alcohol

20 ± 1.75

< 0.0001

15.6–24.6

Hypertension

57 ± 3.9

< 0.0001

47–67

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 ± 0.043

0.001

0.24–0.46

  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