Association of red cell distribution width with pulmonary arterial hypertension in patients with mixed connective tissue disease

Table 3 Multivariable binary logistic regression analysis of statistically significant candidates

	Univariable binary logistic regression analysis				Multivariable binary logistic regression analysis
Variable	P	OR	95% CI		P	OR	95% CI
Variable	P	OR	Lower limit	Upper limit	P	OR	Lower limit	Upper limit
RDW	< 0.001	2.199	1.663	2.906	< 0.001	2.128	1.497	3.026
BNP	< 0.001	1.005	1.002	1.009	0.324	1.002	0.998	1.005
UA	0.024	1.004	1.001	1.007	0.791	1.001	0.995	1.006
TSH	0.379	1.055	0.936	1.189
FT3	0.009	0.624	0.437	0.891	0.280	0.737	0.424	1.282
LVEF	0.445	0.980	0.932	1.031
LVDd	0.002	0.219	0.084	0.571	0.341	1.980	0.485	8.073
PA	0.025	0.030	0.001	0.646	0.389	0.138	0.002	12.428
LAD	0.142	0.608	0.313	1.182
Pericardial effusion	0.052	0.441	0.193	1.007	0.854	0.878	0.219	3.518
Chest tightness	< 0.001	0.154	0.067	0.355	0.095	0.169	0.021	1.366
Serositis	< 0.001	0.221	0.100	0.487	0.593	1.736	0.230	13.090

OR, odds ratio; CI, confidential intervals; RDW, red cell distribution width; UA, uric acid; TSH, thyroid stimulating hormone; FT3, free triiodothymnine; LVEF, left ventricle ejection fraction; LVDd, left ventricular diastolic dimension; PA, pulmonary artery velocity; LAD, left atrial diameter

ISSN: 1471-2466