Table 4.

Correlation between HR reduction and change in mental status in 12th month

Groups	HADS depressiona	HADS anxietya	CBIa
Depression	0.32	0.07	0.01
Anxiety	0.55	0.48	0.94
High burnout	0.82	0.06	0.78
Depression + anxiety	0.55	0.21	0.15
Anxiety + high burnout	0.62	0.61	0.67
Depression + high burnout	0.74	0.26	0.40
Depression + anxiety + high burnout	0.90	0.92	0.52
Only CHF	0.63	0.49	0.39

Note:

^aP-values for regression analysis coefficients.

Abbreviations: HR, heart rate; HADS, Hospital Anxiety and Depression Scale; CBI, Copenhagen Burnout Inventory; CHF, chronic heart failure.