Table 1.

Demographic and Clinical Characteristics

DEMOGRAPHIC CHARACTERISTICS
Age, mean (SD)	68.07 (8.94)
Years of Education, mean (SD)	13.56 (2.72)
Female (%)	35.5
Race (% Caucasian)	83.2
MEDICAL AND CLINICAL CHARACTERISTICS
Overall Sample LVEF, mean (SD) (N = 188)	40.25 (14.41)
NYHA Class (% I; II;III,;IV)	0.5;83.8;14.2;1.5
Diabetes (% yes)	36.0
Hypertension (% yes)	68.0
History of Myocardial Infarction (% yes)	56.9
Elevated Total Cholesterol (% yes)	66.0
Sleep Apnea (% yes)	24.9
Coronary Artery Disease (% yes)* (N = 192)	79.2
Angina (% yes)* (N = 192)	31.0
Atrial Fibrillation (% yes)* (N = 192)	29.9
Overall Sample 2MST, mean (SD)	61.72 (23.45)
Males 2MST, mean (SD)	65.04 (23.28)
Females 2MST, mean (SD)	55.70 (22.69)
COGNITIVE TEST PERFORMANCE, mean (SD)
Trail Making Test A	49.42 (11.68)
Trail Making Test B	43.42 (18.22)
Digit Symbol Coding	47.36 (9.36)
Letter Number Sequence	50.61 (8.99)
CVLT-II LDFR	47.16 (10.29)

Note.

^*Sample sizes reduced for these variables due to missing data.

LVEF = Left Ventricular Ejection Fraction; 2MST = two minute step test; CVLT-II LDFR = California Verbal Learnin) Test Long Delay Free Recall; Sample size for LVEF is 188 due to missing data.