Research Article

Applying Pulse Spectrum Analysis to Facilitate the Diagnosis of Coronary Artery Disease

Table 2

Comparison of relative percentages of the harmonics in the radial artery pulse of both arms of patients with and without CAD.

CAD(n=63)Non-CAD(n=20)
LeftRightP valueLeftRightP value

C152.04±6.9350.38±7.24NS48.03±6.0446.33±4.86NS
C228.56±5.9127.78±5.54NS28.42±7.2926.61±4.21NS
C317.34±5.3317.06±4.68NS17.10±5.5016.44±3.38NS
C48.78±3.968.58±3.60NS8.78±3.948.62±2.84NS
C56.12±2.536.10±2.11NS8.02±3.247.70±2.22NS
C65.17±1.945.57±2.06NS6.40±2.656.49±2.48NS
C73.65±2.033.95±1.95NS3.93±1.984.20±2.08NS
C82.43±1.482.58±1.47NS2.56±1.282.74±1.25NS
C91.73±1.131.92±1.01NS2.12±1.122.28±0.84NS
C101.37±0.731.54±0.82NS1.60±0.971.83±0.77NS

(i) Continuous data are presented as mean ± SD.
(ii) Values have been calculated using Wilcoxon signed-rank test.
(iii) P < 0.05: being statistically significant.
(iv) NS: not significant.