Association between ventilatory efficiency, oxygen uptake, and Glittre-ADL test results in patients with chronic heart failure: a preliminary study

Table 2 Spearman correlation coefficients between ventilatory variables and total Glittre-ADL test time, perception of effort, and ejection fraction

Variables	Total GA-T time	RPE scale (fatigue)	RPE scale (dyspnoea)	LVEF
VO_2peak	− 0.429	− 0.110	− 0.390	0.192
VE/VCO₂ slope	0.714^*	0.761^*	0.610	− 0.443
HR_max	0.381	0.210	0.154	− 0.224
Oxygen pulse	− 0.326	− 0.296	− 0.127	0.176
SBP during peak exercise	0.252	0.163	0.219	− 0.164
DBP during peak exercise	0.173	0.168	0.150	− 0.123
RER at rest	0.125	0.173	0.155	− 0.121
RER during peak exercise	0.214	0.120	0.111	− 0.247

GA-T Glittre-ADL test, RPE Borg rating of perceived exertion, LVEF left ventricular ejection fraction, VO_2peak peak oxygen uptake, VE/VCO₂ slope the relation between the regression slope relating minute ventilation to carbon dioxide output, HR_max maximum heart rate, SBP systolic blood pressure, DBP diastolic blood pressure, DBP diastolic blood pressure, RER respiratory exchange ratio
^*P < 0.05

ISSN: 1756-0500