The Correlation of Decreased Heart Rate Recovery and Chronotropic Incompetence with Exercise Capacity in Idiopathic Pulmonary Arterial Hypertension Patients
Table 4
The correlation between demographics, 6MWD, CPET parameters, and HRR1 of IPAH patients.
Parameters
NYHA FC
ā0.6
<0.01
NT-proBNP (pg/ml)
ā0.3
<0.01
6MWD (m)
0.4
<0.01
Peak Load (W)
0.5
<0.01
peak VO2/kg (ml/min/kg)
0.56
<0.01
Peak VO2 (ml/min)
0.6
<0.01
Peak VO2% pred
0.5
<0.01
Peak O2 pulse (ml/beat)
0.4
<0.01
The abbreviation definitions are same as Tables 1 and 2.