Table 3.

Determinants of Lowest V̇E/V̇CO₂ Ratio

Variable	HFpEF		HFrEF
	r	P-value	r	P-value
Age	0.58	<0.01	0.47	<0.01
BSA	−0.41	0.04	−0.45	0.01
SBP at rest	0.04	0.84	−0.31	0.08
SBP during exercise	0.15	0.47	−0.28	0.13
Heart rate at rest	0.07	0.75	0.27	0.12
Heart rate during exercise	−0.51	0.01	−0.23	0.20
Hemoglobin	−0.38	0.06	−0.21	0.24
Creatinine	0.39	0.06	0.13	0.46
Log BNP	0.15	0.48	0.40	0.03
Stroke volume at rest	−0.25	0.24	−0.30	0.09
Stroke volume during exercise	−0.14	0.50	−0.44	0.02
CO at rest	−0.20	0.33	−0.24	0.18
CO during exercise	−0.44	0.04	−0.54	<0.01
LVEF at rest	−0.16	0.45	−0.14	0.44
LVEF during exercise	−0.07	0.76	−0.26	0.15
s’ at rest	−0.24	0.27	−0.18	0.30
s’ during exercise	−0.05	0.81	−0.44	0.01
e’ at rest	−0.41	0.04	−0.21	0.25
e’ during exercise	−0.48	0.03	−0.26	0.18
E/e’ at rest	0.39	0.04	0.24	0.19
E/e’ during exercise	0.45	0.03	0.20	0.33
TRPG at rest	0.19	0.43	0.35	0.07
TRPG during exercise	0.22	0.44	0.33	0.11

Abbreviations as in Table 1.