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

Table 4

Multiple logistic regression analysis to detect the independent predictors of the occurrence of AF at low altitude (3.5 m).

Variables	β	Wald χ^2		OR	95% CI
RDW	0.523	4.160	0.041	1.687	1.021∼2.789
MCV	0.074	3.956	0.047	1.077	1.001∼1.159
TBIL	0.031	0.774	0.379	1.031	0.963∼1.104
LAD	0.142	21.823	0.001	1.152	1.086∼1.223
LVEF	−0.032	1.718	0.190	0.968	0.923∼1.016

RDW, red cell distribution width; MCV, mean corpuscular volume; TBIL, total bilirubin; LAD, left atrial diameter; LVEF, left ventricular ejection fraction.