Table 2– Significant correlations between cardiac troponin I and pulmonary arterial hypertension indices of severity
CorrelationVariablerp-value
PositiveBNP0.45<0.001
NYHA class0.360.002
CRP0.340.004
RA area0.360.010
NegativeHDL-C-0.42<0.001
6MWD-0.290.020
Sv,O2-0.300.034

  • BNP: brain natriuretic peptide; NYHA: New York Heart Association functional class; CRP: C-reactive protein; RA: right atrial; HDL-C: high-density lipoprotein cholesterol; 6MWD: 6-min walk distance; Sv,O2: mixed venous oxygen saturation.