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. Author manuscript; available in PMC: 2021 Jun 30.
Published in final edited form as: Eur Respir J. 2020 Apr 16;55(4):1901761. doi: 10.1183/13993003.01761-2019

TABLE 4.

Interleukin-6 associations with survival in low-risk pulmonary arterial hypertension clinical features

Univariable hazard ratio (95% CI) p-value

NT-proBNP <300 ng·mL−1 1.41 (1.08–1.83) 0.011
6MWD >440 m 1.43 (1.29–1.58) <0.001
RAP <8 mmHg 1.43 (1.26–1.62) <0.001
Cardiac index >2.5 L·min−1·m−2 1.36 (1.23–1.52) <0.001

NT-proBNP: N-terminal pro-brain natriuretic peptide; 6MWD: 6-min walk distance; RAP: right atrial pressure.

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