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. Author manuscript; available in PMC: 2011 Sep 29.
Published in final edited form as: J Am Coll Cardiol. 2011 Aug 30;58(10):1068–1076. doi: 10.1016/j.jacc.2011.04.034

Table 4.

Exercise Parameters Over Time

Group Baseline Year 1 Year 2
Log (treadmill exercise time)
    S group 6.08 ± 0.84 5.90 ± 0.93 5.92 ± 1.08
    S + E group 5.82 ± 0.67 5.94 ± 0.70 5.79 ± 0.67
    E group 5.94 ± 0.78 5.89 ± 1.04 5.78 ± 0.63
    All patients 5.95 ± 0.76 5.92 ± 0.91 5.82 ± 0.77
Log (treadmill time to claudication)
    S group 5.2 ± 0.8 4.9 ± 0.8 5.0 ± 0.9
    S + E group 4.9 ± 0.6 5.5 ± 0.7 5.1 ± 0.6
    E group 5.2 ± 0.9 5.5 ± 0.7 5.2 ± 0.6
    All patients 5.1 ± 0.8 5.3 ± 0.7 5.1 ± 0.7
6-min walk distance, ft
    S group 1,103 ± 407 1,189 ± 388 1,078 ± 485
    S + E group 976 ± 324 922 ± 398 1,038 ± 248
    E group 1,007 ± 435 1,057 ± 460 1,099 ± 394
    All patients 1,024 ± 397 1,036 ± 434 1,075 ± 374
6-min claudication distance, ft
    S group 455 ± 197 532 ± 206 417 ± 83
    S + E group 448 ± 187 413 ± 185 461 ± 161
    E group 476 ± 244 525 ± 272 597 ± 318
    All patients 465 ± 213 483 ± 232 518 ± 251
Vo2, ml/kg/min
    S group 14.6 ± 4.6 12.8 ± 3.7 14.8 ± 4.6
    S + E group 12.4 ± 3.2 12.4 ± 3.9 12.1 ± 2.9
    E group 12.1 ± 3.8 11.6 ± 3.8 12.3 ± 4.6
    All patients 12.8 ± 4.0 12.2 ± 3.7 12.9 ± 4.2
Resting ABI
    S group 0.71 ± 0.23 0.70 ± 0.23 0.85 ± 0.19
    S + E group 0.65 ± 0.24 0.66 ± 0.29 0.66 ± 0.12
    E group 0.77 ± 0.23 0.79 ± 0.24 0.85 ± 0.26
    All patients 0.72 ± 0.23 0.73 ± 0.25 0.79 ± 0.23*
Post-exercise ABI
    S group 0.53 ± 0.23 0.54 ± 0.23 0.51 ± 0.22
S + E group 0.47 ± 0.29 0.37 ± 0.29 0.41 ± 0.28
    E group 0.51 ± 0.31 0.53 ± 0.25 0.61 ± 0.39
    All patients 0.51 ± 0.28 0.48 ± 0.26 0.52 ± 0.33
Log (energy expenditure/week, kcal)
    S group 8.55 ± 1.19 8.65 ± 0.86 8.69 ± 1.19
    S + E group 8.72 ± 1.61 8.49 ± 1.03 8.19 ± 1.66
    E group 8.43 ± 1.18 8.51 ± 0.75 8.84 ± 1.21
    All patients 8.54 ± 1.30 8.54 ± 0.86 8.43 ± 1.33
Log (metabolic hours equivalent/wk)
    S group 4.16 ± 1.25 4.22 ± 0.96 4.26 ± 1.32
    S + E group 4.20 ± 1.50 4.06 ± 0.89 3.75 ± 1.47
    E group 4.00 ± 1.27 4.10 ± 0.78 4.45 ± 0.69
    All patients 4.10 ± 1.31 4.12 ± 0.85 4.06 ± 1.15

Values are mean ± SD.

*

p < 0.05 versus baseline.

p < 0.05 versus year 1.

p < 0.05 versus S + E group.

Abbreviations as in Tables 1 and 2.