Influenza Vaccination and Cardiovascular Events in Japanese Patients With Heart Failure　- Findings From the PARALLEL-HF Trial.

Influenza vaccination tended to be associated with a lower risk for all-cause death compared with no vaccination in the unadjusted (HR 0.785, 95% CI 0.399–1.545) and propensity score-adjusted models (HR 0.670, 95% CI: 0.323–1.391) ( Figure 1 , Table 2 ), but did not reach statistical significance.

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