Table 3.

Univariate and multivariable predictors of HR recovery at 1 min in recovery

	Univariate Model			Multivariable Model
Variable	β	SE	P Value	SE	β	P Value
Clinical variables
Age, years	−0.20	0.061	0.002	0.054	0.067	0.42
Male	−3.15	1.46	0.03	−1.364	1.340	0.31
BMI, kg/m2	−0.46	0.22	0.04	−0.062	0.168	0.71
CAD vs. control	8.90	1.58	<0.001	1.980	1.674	0.24
Control vs. CAD-depressed	10.16	2.10	<0.001
CAD-preserved vs. control	−8.58	1.62	<0.001
CAD: preserved vs. depressed	1.59	1.73	0.36
LVEF2, %	3.3E-4	7.1E-4	0.64
Cardiopulmonary stress test
Exercise time, min	0.72	0.23	0.002	−0.174	0.270	0.52
Peak HR, beats/min	0.16	0.03	<0.001	−0.029	0.049	0.55
Max V̇o2, ml·kg−1·min−1	0.41	0.08	<0.001	0.275	0.162	0.09
ln(AT), ml·kg−1·min−1	8.43	3.12	0.008	−3.829	3.114	0.22
ln(maximum RPE)	0.85	2.45	0.73
Protocol bicycle exercise studies
RR, rest, ms	3.9E-4	5.2E-3	0.94
RR, peak exercise, min	−0.03	0.010	0.004	−0.066	0.013	<0.001
ln(NE), peak exercise, pg/ml	−3.65	1.24	0.004	0.180	1.319	0.89
PSE, 1 min, ms	0.039	0.008	<0.001	0.066	0.010	<0.001
Rest heart rate variability
ln(LF) (ms2)	1.53	0.64	0.02	0.241	0.536	0.65