Red Cell Distribution Width as a Novel Marker for Different Types of Atrial Fibrillation in Low and High Altitude

Table 5

Multiple logistic regression analysis to detect the independent predictors of the occurrence of AF at high altitude (2260 m).

Variables	β	Wald χ^2		OR	95% CI
RDW	0.562	7.669	0.006	1.755	1.179∼2.613
MCV	0.084	4.251	0.039	1.088	1.004∼1.178
Hb	0.003	0.091	0.762	1.003	0.975∼1.019
Cr	0.063	20.331	0.001	1.065	1.036∼1.094
UA	0.001	0.070	0.791	1.001	0.996∼1.003
LAD	0.233	30.785	0.001	1.262	1.162∼1.370
IVST	0.133	0.163	0.687	1.142	0.599∼2.180
LVPWT	0.218	0.330	0.565	1.244	0.382∼1.692

RDW, red cell distribution width; MCV, mean corpuscular volume; Hb, hemoglobin; Cr, creatinine; UA, uric acid; LAD, left atrial diameter; IVST, interventricular septal thickness; LVPWT, left ventricular posterior wall thickness.