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. 2017 Jan;14(1):20–27. doi: 10.11909/j.issn.1671-5411.2017.01.003

Table 3. Multivariate Cox regression analysis of parameters associated with death in non-elderly PAH patients.

HR 95% CI P value
BNP 1.002 1.001–1.004 < 0.001
6MWD 1.002 0.993–1.003 0.375
RAP 1.128 1.026–1.241 0.013
Haemoglobin 1.158 0.611–1.218 0.401
Pericardial effusion 1.292 0.422–3.956 0.654

BNP: brain natriuretic peptide; 6MWD: 6-min walking distance; RAP: right atrial pressure.