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Table 2 Correlations between p c CO 2 and hemodynamic variables

From: Capillary pCO2 helps distinguishing idiopathic pulmonary arterial hypertension from pulmonary hypertension due to heart failure with preserved ejection fraction

  IPAH PH-HFpEF
  r p r p
Age at diagnosis 0.062 0.544 0.432* <0.001
BMI 0.231 0.021 0.057 0.630
6MWD 0.141 0.641 −0.022 0.846
RA 0.063 0.586 −0.012 0.923
PAPm −0.144 0.155 −0.027 0.810
PAWP 0.051 0.638 0.033 0.766
CO 0.182 0.147 0.296 0.028
CI 0.052 0.658 0.232 0.080
PVR −0.278 0.009 −0.203 0.105
SvO 2 0.118 0.320 0.179 0.210
PaO 2 0.087 0.612 0.123 0.534
  1. *Bold numbers reflect statistically significant associations.