A Nomogram for Predicting Cardiovascular Diseases in Chronic Obstructive Pulmonary Disease Patients

Table 4

Construction of the logistic prediction model.

Variable	β	S.E	Wald		OR	Lower	Upper
Constant	−4.242	0.899	22.266	<0.001
Gender (male)	0.208	0.209	0.987	0.321	1.231	0.817	1.856
Age	0.036	0.009	17.130	<0.001	1.037	1.019	1.054
Smoking (yes)	0.202	0.132	2.324	0.127	1.497	0.891	2.513
Overweight (yes)	0.227	0.096	5.557	0.018	1.575	1.080	2.298
A history of blood transfusion (yes)	0.368	0.105	12.418	<0.001	2.090	1.387	3.148
A history of heart disease in close relatives (yes)	0.540	0.109	24.725	<0.001	2.944	1.923	4.506
WBC	0.180	0.051	12.230	<0.001	1.197	1.082	1.324
MONO	0.109	0.039	7.903	0.005	1.115	1.034	1.204
PLT	−0.004	0.002	6.603	0.010	0.996	0.993	0.999
LYM	−0.191	0.142	1.817	0.178	0.826	0.625	1.091

WBC: white blood cell, MONO: monocyte, PLT: platelet, LYM: lymphocyte.