*4.1.4 Heart failure (HF)*

An analysis of 55,312 patients with HF indicated that each 10% increase in PDC by cardiovascular medications reduced all-cause mortality risk by 9% (odds ratio [OR]

0.91, 95% CI 0.90–0.92), emergency admissions by 11% (RR 0.89, 95% CI 0.89–0.89), hospital admissions by 6% (RR 0.94, 95% CI 0.94–0.94), and length of hospitalization by 1% (RR 0.99, 95% CI 0.99–1.00) (all *P* < 0.0001) [45].
