Table 5.

Multivariate logistic regression analysis to determine factors that predict aortic stenosis (n = 148)

Factor	Estimate	Z-value	OR	95% CI	p-Value
Age (years)	−0.30 ± 0.29	−1.04	0.74	0.42–1.31	0.30
Male sex	−0.08 ± 0.49	−0.16	0.92	0.35–2.43	0.87
Body mass index (kg/m2)	−0.21 ± 0.23	−0.88	0.81	0.51–1.29	0.38
Peak systolic velocity (m/s)
Common carotid artery, left proximal	−0.57 ± 0.38	−1.51	0.56	0.27–1.18	0.13
Common carotid artery, right proximal	−0.36 ± 0.30	−1.18	0.70	0.38–1.27	0.24
Median value across all sites	0.01 ± 0.33	0.04	1.01	0.53–1.93	0.97
Resistive index
Common carotid artery, left proximal	0.68 ± 0.44	1.55	1.97	0.84–4.63	0.12
Common carotid artery, right proximal	0.16 ± 0.36	0.44	1.17	0.58–2.35	0.66
Median value across all sites	−0.25 ± 0.43	−0.59	0.78	0.34–1.79	0.55
Effective acceleration time (ms)
Common carotid artery, left proximal	−0.61 ± 0.36	−1.71	0.54	0.27–1.09	0.09
Common carotid artery, right proximal	0.09 ± 0.37	0.23	1.09	0.52–2.27	0.82
Median value across all sites	2.32 ± 0.57	4.10	10.17	3.35–30.85	<0.0001

Estimates reported as estimate ± standard error. Only cases with complete values across all factors were included in the regression.

CI: confidence interval (for odds ratio); OR: odds ratio.