Table 3.

Treatment compliance

	Compliance
	50%	80%
ACE	66.4%	56.1%
ARB	68.1%	57.0%
β-blockers	71.1%	59.7%
Spironolactone	58.4%*	45.6%*

* Spironolactone versus ACE, ARB and β-blockers: p < 0.001 (Pearson's chi square test)