Table 4 Open in new tab Haemodynamic...

Variables	β	SE (β)	CI (β)	P-value
Model for carotid-femoral PWV based on the measured WSA, adjusted R² $=$ 0.430
Sex	1.113	0.315	(0.495, 1.732)	<0.001
Age, years	0.177	0.014	(0.149, 0.204)	<0.001
Mean blood pressure, mmHg	0.059	0.029	(0.002, 0.116)	<0.05^a
Heart rate, b.p.m.	2.715	0.852	(1.041, 4.389)	<0.01^a
Pf, mmHg	0.077	0.010	(0.056, 0.097)	<0.001
Pb, mmHg	−0.094	0.046	(−0.184, −0.004)	<0.05^a
TD, ms	−4.502	7.505	(−19.235, 10.232)	<0.6^a
Model for carotid-femoral PWV based on the proposed pressure-only WSA, adjusted R² $=$ 0.414
Sex	1.047	0.346	(0.422, 1.672)	<0.001
Age, years	0.178	0.014	(0.151, 0.206)	<0.001
Mean blood pressure, mmHg	0.019	0.025	(−0.030, 0.069)	<0.5^a
Heart rate, b.p.m.	3.463	0.751	(1.989, 4.937)	<0.001
Pf, mmHg	0.081	0.014	(0.054, 0.108)	<0.001
Pb, mmHg	−0.042	0.044	(−0.129, 0.045)	<0.5^a
TD, ms	−13.061	7.954	(−28.676, 2.554)	<0.2^a

Variables	β	SE (β)	CI (β)	P-value
Model for carotid-femoral PWV based on the measured WSA, adjusted R² $=$ 0.430
Sex	1.113	0.315	(0.495, 1.732)	<0.001
Age, years	0.177	0.014	(0.149, 0.204)	<0.001
Mean blood pressure, mmHg	0.059	0.029	(0.002, 0.116)	<0.05^a
Heart rate, b.p.m.	2.715	0.852	(1.041, 4.389)	<0.01^a
Pf, mmHg	0.077	0.010	(0.056, 0.097)	<0.001
Pb, mmHg	−0.094	0.046	(−0.184, −0.004)	<0.05^a
TD, ms	−4.502	7.505	(−19.235, 10.232)	<0.6^a
Model for carotid-femoral PWV based on the proposed pressure-only WSA, adjusted R² $=$ 0.414
Sex	1.047	0.346	(0.422, 1.672)	<0.001
Age, years	0.178	0.014	(0.151, 0.206)	<0.001
Mean blood pressure, mmHg	0.019	0.025	(−0.030, 0.069)	<0.5^a
Heart rate, b.p.m.	3.463	0.751	(1.989, 4.937)	<0.001
Pf, mmHg	0.081	0.014	(0.054, 0.108)	<0.001
Pb, mmHg	−0.042	0.044	(−0.129, 0.045)	<0.5^a
TD, ms	−13.061	7.954	(−28.676, 2.554)	<0.2^a

Table 4

Haemodynamic correlates of the carotid-femoral pulse wave velocity using reference and pressure-only estimates of wave separation parameters (n = 753)

Variables	β	SE (β)	CI (β)	P-value
Model for carotid-femoral PWV based on the measured WSA, adjusted R² $=$ 0.430
Sex	1.113	0.315	(0.495, 1.732)	<0.001
Age, years	0.177	0.014	(0.149, 0.204)	<0.001
Mean blood pressure, mmHg	0.059	0.029	(0.002, 0.116)	<0.05^a
Heart rate, b.p.m.	2.715	0.852	(1.041, 4.389)	<0.01^a
Pf, mmHg	0.077	0.010	(0.056, 0.097)	<0.001
Pb, mmHg	−0.094	0.046	(−0.184, −0.004)	<0.05^a
TD, ms	−4.502	7.505	(−19.235, 10.232)	<0.6^a
Model for carotid-femoral PWV based on the proposed pressure-only WSA, adjusted R² $=$ 0.414
Sex	1.047	0.346	(0.422, 1.672)	<0.001
Age, years	0.178	0.014	(0.151, 0.206)	<0.001
Mean blood pressure, mmHg	0.019	0.025	(−0.030, 0.069)	<0.5^a
Heart rate, b.p.m.	3.463	0.751	(1.989, 4.937)	<0.001
Pf, mmHg	0.081	0.014	(0.054, 0.108)	<0.001
Pb, mmHg	−0.042	0.044	(−0.129, 0.045)	<0.5^a
TD, ms	−13.061	7.954	(−28.676, 2.554)	<0.2^a

Variables	β	SE (β)	CI (β)	P-value
Model for carotid-femoral PWV based on the measured WSA, adjusted R² $=$ 0.430
Sex	1.113	0.315	(0.495, 1.732)	<0.001
Age, years	0.177	0.014	(0.149, 0.204)	<0.001
Mean blood pressure, mmHg	0.059	0.029	(0.002, 0.116)	<0.05^a
Heart rate, b.p.m.	2.715	0.852	(1.041, 4.389)	<0.01^a
Pf, mmHg	0.077	0.010	(0.056, 0.097)	<0.001
Pb, mmHg	−0.094	0.046	(−0.184, −0.004)	<0.05^a
TD, ms	−4.502	7.505	(−19.235, 10.232)	<0.6^a
Model for carotid-femoral PWV based on the proposed pressure-only WSA, adjusted R² $=$ 0.414
Sex	1.047	0.346	(0.422, 1.672)	<0.001
Age, years	0.178	0.014	(0.151, 0.206)	<0.001
Mean blood pressure, mmHg	0.019	0.025	(−0.030, 0.069)	<0.5^a
Heart rate, b.p.m.	3.463	0.751	(1.989, 4.937)	<0.001
Pf, mmHg	0.081	0.014	(0.054, 0.108)	<0.001
Pb, mmHg	−0.042	0.044	(−0.129, 0.045)	<0.5^a
TD, ms	−13.061	7.954	(−28.676, 2.554)	<0.2^a

CI, confidence interval; PWV, pulse wave velocity; SE, standard error; TD, time delay between the forward and the backward waves; WSA, wave separation analysis, respectively.

^aA non-significant parameter.

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