Identifying Coronary Artery Lesions by Feature Analysis of Radial Pulse Wave: A Case-Control Study

Table 3

Comparison of time-domain features between groups with different numbers of coronary artery lesions.

Time-domain features	Group 1 ()	Group 2 ()	Group 3 ()		values
H2/H1	0.881 (0.686, 0.954)	0.939 (0.846, 0.973)^▲	0.927 (0.742, 0.972)	11.690	0.002
H3/H1	0.753 (0.537, 0.842)	0.817 (0.718, 0.893)^▲	0.776 (0.609, 0.887)	12.448	0.002
T1/T	0.164 (0.130, 0.197)	0.156 (0.123, 0.192)	0.169 (0.141, 0.205)	7.925	0.019
T	0.824 (0.721, 0.925)	0.851 (0.762, 0.945)	0.817 (0.731, 0.889)	9.059	0.011
W1	0.199 (0.152, 0.228)	0.211 (0.171, 0.238)	0.194 (0.163, 0.227)	8.696	0.013
W2	0.148 (0.110, 0.174)	0.164 (0.122, 0.194)^▲	0.143 (0.118, 0.183)	9.456	0.009

Data shown are M (Q1, Q3); ^▲compared with Group 1, ; compared with Group 2, .