Clinical features and determinants of VO2peak in de novo heart transplant recipients

Table 3 Multiple regression analysis

N = 66	Model 1Standardized coefficient Beta [95% CI]	P-value	Model 2Standardized coefficient Beta [95% CI]	P-value
O2 pulse (mL/beat)	0.707 [0.075, 0.104]	< 0.001	0.675 [0.069, 0.102]	< 0.001
HRreserve (beats/min)	0.382 [0.007, 0.013]	< 0.001	0.397 [0.008, 0.013]	< 0.001
Muscular exercise capacity (Joule)	0.162 [1.1E-5, 7.1E-5]	0.008	0.155 [8.0-5, 7.1-5]	0.015
BMI (kg/m2)			0.067 [-0.004, 0.020]	0.211
Sex			-0.029 [-0.142, 0.086]	0.630
Age (yr)			0.019 [-0.003, 0.004]	0.719
Adjusted R2	0.85		0.84

Dependent variable VO_2peak L/min. Final model for n = 66. BMI: Body mass index; CI: Confidence interval; HR: Heart rate.