Red Blood Cell Distribution Width Predicts Pulmonary Hypertension Secondary to Chronic Obstructive Pulmonary Disease

Table 2

Independent risk factors for PH indicated by logistic regression model analysis.

Variable	Odds ratio	95% CI	P
RDW	1.521	1.001–2.313	0.050
BNP	1.007	1.004–1.011	<0.001
WBC	0.915	0.798–1.050	0.205
Sex (male)	0.814	0.279–2.372	0.706
Hb	1.023	0.995–1.051	0.103
PA : A ratio	5.365	1.566–18.380	0.008

RDW, red blood cell distribution width; BNP, brain natriuretic peptide; WBC, white blood cell; Hb, hemoglobin; PA : A, pulmonary artery-to-ascending aorta ratio.