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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 3.

Interleukin-6 associations with survival in REVEAL (Registry to Evaluate Early and Long-Term Disease Management in PAH) risk categories

Univariable hazard ratio (95% CI) p-value

Category 1 1.29 (1.13–1.48) <0.001
Category 2 1.31 (1.10–1.57) 0.003
Category 3 1.21 (1.02–1.44) 0.02
Category 4 1.12 (0.93–1.35) 0.22
Category 5 1.12 (0.36–3.46) 0.85