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. Author manuscript; available in PMC: 2014 Jul 1.
Published in final edited form as: J Cardiovasc Nurs. 2013 Jul-Aug;28(4):380–386. doi: 10.1097/JCN.0b013e31824af587

Table 2.

Differences between non smokers and current smokers with PAD

Non smokers
(n=69)
M ± SD
Smokers
(n=36)
M ± SD
P value
      Primary Physiologic Measures
Walking distance (meters) 415.2 ± 229.6 375.5 ± 238.4 .408
Claudication pain onset (meters) 247.7 ± 226.2 142.6 ± 109.8 .010
      Secondary Physiologic Measures
ABI 0.7352 ± 0.33 0.6735 ± 0.2 .264
Peak VO2 14.72 ± 3.2 14.44 ± 2.9 .679
StO2 at baseline (%) 57.8 ± 18.7 62.9 ± 15.4 .171
StO2 at peak (%) 17.5 ± 19.1 17.9 ± 20.6 .922
Drop in StO2 from baseline to 2-minutes 33.0 ± 23.5 42.3 ± 19.7 .050
Calf pain at exercise peak 4.7 ± 3.5 5.5 ± 3.3 .249
      Primary Psychological and Health-related Quality of Life Measures
SF-36 Mental Components Score 54.1 ± 10.3 48.5 ± 10.5 .010
SF-36 Physical Components Score 36.6 ± 7.4 34.8 ± 7.4 .242
      Secondary Psychological and Health-related Quality of Life Measures
SF-36 Physical Functioning subscale 53.12 ± 20.8 42.5 ± 19.2 .012
SF-36 Role Physical Subscale 52.2 ± 24.5 43.8 ± 25.0 .100
SF-36 Bodily Pain Subscale 53.0 ± 19.2 54.7 ± 24.1 .143
SF-36 General Health Subscale 59.2 ± 18.7 52.3 ± 19.0 .734
SF-36 Vitality subscale 57.9 ± 18.2 44.3 ± 20.8 .001
Sf-36 Social Functioning subscale 79.2 ± 24.2 68.1 ± 29.3 .041
Sf-36 Role Emotional subscale 74.0 ± 28.7 60.0 ± 32.2 .024
Sf-36 Mental Health subscale 77.4 ± 18.2 69.2 ± 18.6 .032
CES-D 13.0 ± 9.6 16.9 ± 9.9 .054
WIQ Distance 0.3734 ± .29 0.3019 ± .24 .218
WIQ Speed 0.3296 ± .23 0.3013 ± .20 .515
WIQ Stairs 0.4700 ± .29 0.4236 ± .25 .418