Table 3.

Four strongest univariate correlates of the change in ambulatory outcomes with baseline characteristics and exercise training measures in symptomatic patients with peripheral artery disease.

Group	Δ COT	Δ PWT	Δ 6-MWD
Women
	Average Exercise Cadence (r = 0.36)	Race (r = 0.43) *	Average_Exercise Cadence (r = 0.48) *
	Age (r = 0.35)	Age (r=0.39)	Lower Extremity Revascularization (r = 0.39)
	Current Smoking (r = −0.26)	Current Smoking (r = −0.32)	Chronic Obstructive Pulmonary Diesease (r = −0.39)
	Ankle Brachial Index (r = 0.20)	Average Exercise Cadence (r = 0.27)	Total Exercise Time (r = 0.33)
Men
	Metabolic Syndrome (r = −0.48) *	Age (r = −0.24)	Ankle Brachial Index (r = 0.63) †
	Total Exercise Time (r = 0.41) *	Current Smoking (r = 0.23)	Metabolic Syndrome (r = 0.37)
	Ankle Brachial Index (r = 0.36)	Average Exercise Cadence (r = 0.15)	Average Exercise Cadence (r = 0.27)
	Current Smoking (r = 0.25)	Ankle Brachial Index (r = 0.12)	Lower Extremity Revascularization (r = −0.23)

COT = claudication onset time, PWT = peak walking time, 6-MWD = 6-minute walk distance.

Values are Pearson partial correlation coefficients or Spearman partial correlation coefficients (indicated in italicized print). Race was coded as 0 = African-American and 1 = Caucasian.

^*p < 0.05,

^†p < 0.01