Fig. 2

Cognitive impairment in heart failure patients according to Mini-Mental-State Examination sub-items median scores in initial and advanced NHYA functional class. Statistical significance: (Mann-Whinney U): Orientation: p <0.001, registration: p =0.126, Attention: p =0.004, Recall: p =0.168, Language and copying: p = 0.001. NHYA: New York Heart Association