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Table 3 Associations between Ventilatory Power and Parameters Reflecting PH Severity

From: Diagnostic and prognostic value of ventilatory power in pulmonary hypertension

Variable

Spearman coefficient

P-value

6MWD

0.406

< 0.001

NT-proBNP

− 0.419

< 0.001

TRV

− 0.207

< 0.001

RVED/LVED

− 0.348

< 0.001

SvO2

0.344

< 0.001

mPAP

− 0.247

< 0.001

CI

0.300

< 0.001

PVR

− 0.391

< 0.001

Workload@Peak

0.553

< 0.001

VO2@Peak

0.508

< 0.001

VO2/HR@Peak

0.392

< 0.001

SBP@Peak

0.719

< 0.001

DBP@Peak

0.438

< 0.001

PETCO2@Peak

0.636

< 0.001

VE/VCO2 slope

− 0.686

< 0.001

  1. @Peak, at peak exercise; CI, cardiac index; DBP, diastolic blood pressure; HR, heart rate; mPAP, mean pulmonary artery pressure; NT-proBNP, N-terminal pro-brain natriuretic peptide; PH, pulmonary hypertension; PETCO2, end‐tidal partial pressure of carbon dioxide; PVR, pulmonary vascular resistance; RVED/LVED, the ratio of right ventricular end-diastolic to left ventricular end-diastolic diameter; SBP, systolic blood pressure; 6MWD, 6-min walk distance; SvO2, mixed venous oxygen saturation; TRV, tricuspid regurgitation velocity; VCO2, carbon dioxide production; VE/VCO2, minute ventilation/carbon dioxide production; VO2, oxygen uptake; VO2/HR, peak oxygen uptake/ heart rate. Significant P values (P < 0.05) are bolded
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Respiratory Research

ISSN: 1465-993X

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