Fig. 1. Z-standardized psychological and quality-of-life scores by severity of congestive heart failure. NYHA = New York Heart Association functional class; NYHA 0 = no known heart disease; QoL = Quality of Life.
Fig. 1. Z-standardized psychological and quality-of-life scores by severity of congestive heart failure. NYHA = New York Heart Association functional class; NYHA 0 = no known heart disease; QoL = Quality of Life.