Impact of Peripheral Arterial Disease on Functional Limitation in Congestive Heart Failure: Results from the National Health and Nutrition Examination Survey (1999–2004)

Table 1

Baseline characteristics (CHF patients only).

Characteristic	CHF-PAD (𝑛=68)	CHF (𝑛=237)	𝑃 value
Age, mean (SE)	72.8 (1.2)	64.1 (1.0)	<0.001*
BMI, mean (SE)	29.8 (1.1)	29.4 (0.4)	0.368
Male, %	58.6	61.6	0.715
Race, %			0.845
Non-Hispanic White	78.7	79.4
Non-Hispanic Black	12.6	9.6
Mexican American	2.3	3.8
Diabetes, %	35.3	23.0	0.105
Hypertension, %	87.3	69.5	0.005*
Hypercholesterolemia, %	76.6	56.3	0.013*
Smoker, %	80.3	68.9	0.141
Arthritis	62.1	63.4	0.855
Emphysema	19.5	13.4	0.286
Chronic bronchitis	23.9	18.9	0.446
Coronary artery disease	44.9	52.9	0.287

∗Denotes 𝑃<0.05.
BMI: body mass index; SE: standard error; CHF: congestive heart failure; PAD: peripheral arterial disease.