Table 3.

Univariate and multivariate regression coefficients

	Regression coefficient	SE	p
Dependent variable = delta log LF
Univariate
Age	−0.003	0.005	0.62
Procedure duration	−0.005	0.002	0.061
AF ablation vs. non-AF ablation	−0.608	0.191	0.003
Mutivariate
AF ablation vs. non-AF ablation adjusted for age and procedure	−0.512	0.183	0.008
Dependent variable = delta log HF
Univariate
Age	0.000	0.005	0.93
Procedure duration	−0.003	0.002	0.137
AF ablation vs. non-AF ablation	−0.395	0.169	0.023
Multivariate
AF ablation vs. non-AF ablation adjusted for age and procedure	−0.333	0.139	0.021

Dependent variables: delta log LF and delta log HF in participants who did not receive isoproterenol (n = 49)