Table 3

Means and correlational analysis (Pearson r value) of arterial stiffness among healthy subjects (n = 24)
Pulse Wave Velocity
 Observer I
 Observer II
 Pearson (r)
 95% CI
 P value
Heart Brachial PWV
 262.4 ± 16.09
 262.4 ± 18.28
 0.88
 0.75 to 0.95
 p < 0.0001
Heart Ankle PWV
 425.4 ± 17.96
 424.9 ± 16.96
 0.91
 0.80 to 0.96
 p < 0.0001
Brachial Ankle PWV
 1124 ± 104
 1106 ± 105.2
 0.89
 0.76 to 0.95
 p < 0.0001
Carotid Femoral PWV
 706.2 ± 90.36
 699.2 ± 92.53
 0.90
 0.79 to 0.96
 p < 0.0001
Brachial ASI
 37.80 ± 3.93
 37.01 ± 4.83
 0.62
 0.28 to 0.82
 p < 0.001
Ankle ASI
 48.39 ± 8.54
 48.06 ± 6.71
 0.85
 0.69 to 0.94
 p < 0.0001

Values are expressed as Mean ± SD

Naidu et al. BioMedical Engineering OnLine 2005 4:49   doi:10.1186/1475-925X-4-49