Table 2

Characteristics of patients undergoing coronary angiography (CAG) with heart failure with reduced ejection fraction (HFrEF) and univariable analysis of obstructive coronary artery disease (OCAD) versus non-obstructive coronary artery disease (NOCAD) (n=260)

ParametersOverallOCAD
n=119 (45.8%)
NOCAD
n=141 (54.2%)
OR (95% CI)P value
Age (years)57.1±10.558.8±10.155.7±10.71.03 (1.00 to 1.05)0.02
Age more than 50 years187 (71.9)92 (77.3)95 (67.4)1.6 (0.95 to 2.9)0.08
Females63 (24.2)27 (22.7)36 (25.5)1.2 (0.66 to 2.1)0.5
Prior heart failure53 (20.4)21 (17.6)32 (22.7)0.73 (0.39 to 1.3)0.16
Smoker40 (15.4)14 (11.8)26 (18.4)0.59 (0.29 to 1.2)0.16
Dyslipidaemia58 (22.3)27 (22.7)31 (22.0)1.0 (0.58 to 1.9)0.7
Hypertension167 (64.2)70 (58.1)97 (58.1)0.63 (0.38 to 1.0)0.07
Family history of premature CAD43 (16.5)29 (24.4)14 (9.9)2.9 (1.5 to 5.8)0.002
Diabetes mellitus145 (55.8)74 (62.2)71 (50.2)1.6 (0.98 to 2.6)0.12
History of chest pain68 (26.2)48 (40.3)20 (14.2)4.1 (2.2 to 7.4)<0.0001
Initial creatinine (mg/dL)1.17±0.521.20±0.631.14±0.421.2 (0.76 to 2.0)0.3
Non-invasive stress test53 (20.4)36 (30.3)17 (12.1)3.2 (1.7 to 6.0)0.0003
  • CAD, coronary artery disease.