Air pollution and heart failure: Relationship with the ejection fraction

Table 3 Multivariate binary logistic regression analysis including nitrogen dioxide as the main independent variable

	OR	95%CI	P value
Model 1 (unadjusted)
NO2	1.428	1.001-2.055	0.04
Model 2
NO2	1.669	1.043-2.671	0.03
Age	1.278	0.912-1.618	0.33
Model 3
NO2	1.429	0.992-2.058	0.05
Gender	0.948	0.111-8.067	0.96
Model 4
NO2	1.403	1.003-2.007	0.04
Hypertension	0.36	0.037-3.482	0.37
Model 5
NO2	1.516	1.005-2.397	0.01
LVEF	1.024	0.791-1.324	0.85
Model 6
NO2	1.489	1.009-2.453	0.01
PM10	1.124	0.997-1.974	0.94

LVEF: Left ventricular ejection fraction; NO₂: Nitrogen dioxide; PM: Particulare material with an aerodynamic diameter; PM10: PM < 10 μm.