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Mean responses to the Minnesota Living with Heart Failure (MLHF) and Dutch Heart Failure Knowledge Survey (DHFKS) questionnaires at different follow-up times. DHFKS scores range from 0 to 15 with a high score reflecting better disease knowledge. MLHF scores range from 0 to 105 with a low score reflecting a better health-related quality of life. Error bars represent within-subject 95 % confidence intervals. * statistically significantly different from baseline (p < 0.05)
