Table 2. Results from the logistic regression analyses of predicting orthostatic hypotension.

	Univariate analysis	p	Multivariate analysis	p
Age	1.057 (1.036–1.079)	<0.001	NS	NS
Male sex	1.255 (0.780–2.020)	0.350	-	-
E-I difference	0.883 (0.835–0.934)	<0.001	NS	NS
E:I ratio	0.000 (0.000–0.004)	<0.001	NS	NS
Valsalva ratio	0.002 (0.000–0.011)	<0.001	0.006 (0.001–0.048)	<0.001
Baseline systolic BP	1.026 (1.016–1.036)	<0.001	1.013 (1.001–1.024)	0.027
Baseline diastolic BP	1.003 (0.979–1.028)	0.809	-	-
Baseline HR	1.008 (0.987–1.029)	0.447	-	-

Data are odds ratio (95% confidence interval) values.

BP: blood pressure, E-I difference: difference between expiration and inspiration, E:I ratio: expiration:inspiration ratio, HR: heart rate, NS: not significant.