Table 3.
Simple linear correlations between baPWV and various clinical parameters
| Parameter | Correlation coefficient (95% confidence interval) | |
|---|---|---|
| With baPWV | With central aortic pulse pressure | |
| baPWV | – | 0.635* (0.508–0.735) |
| Central aortic pulse pressure | 0.635* (0.508–0.735) | – |
| Age | 0.577** (0.436–0.670) | 0.511** (0.357–0.638) |
| Brachial pulse pressure | 0.441** (0.276–0.581) | 0.699** (0.578–0.790) |
| E/e' | 0.371** (0.197–0.523) | 0.368** (0.193–0.520) |
| Central aortic SBP | 0.369** (0.194–0.521) | 0.754** (0.659–0.825) |
| Brachial SBP | 0.305** (0.124–0.466) | 0.678** (0.551–0.774) |
| Left ventricular mass index | 0.302** (0.121–0.464) | 0.153 (−0.043 to 0.337) |
| Left atrial volume index | 0.226* (0.082–0.463) | 0.186 (−0.015 to 0.373) |
| Tricuspid regurgitation maximal velocity | 0.204 (−0.033 to 0.419) | 0.318** (0.090–0.515) |
| Left ventricular ejection fraction | 0.055 (−0.135‐0.241) | 0.312** (0.132–0.472) |
| Heart rate, beats per min | −0.002 (−0.190 to 0.186) | −0.053 (−0.243 to 0.137) |
| Brachial DBP | −0.097 (−0.280 to 0.093) | 0.124 (−0.081 to 0.319) |
| Central aortic DBP | −0.174 (−0.351 to 0.015) | −0.085 (−0.269 to 0.105) |
| White blood cell count | −0.188 (−0.363 to 0.000) | −0.325** (−0.484 to 0.146) |
| Height | −0.258* (−0.426 to 0.074) | −0.310** (−0.471 to 0.129) |
| eGFR | −0.317** (−0.477 to 0.137) | −0.351** (−0.476 to 0.123) |
| e' velocity | −0.369** (−0.521 to 0.194) | −0.349** (−0.504 to 0.172) |
Abbreviations: DBP, diastolic blood pressure; eGFR, estimated glomerular filtration rate; SBP, systolic blood pressure.
Parameters were arranged by the direction of association and effect size for the correlation with brachial‐ankle pulse wave velocity (baPWV) (from the most positive association to most negative association).
*P < .05.
**P < .001.