3. Univariate meta‐regression analysis.

	All‐cause mortality P value	All hospitalisations P value	MLWHF P value	All HRQoL outcomes P value
Type of rehabilitation (exercise only vs comprehensive)	0.72	0.55	0.22	0.49
Type of exercise (aerobic training alone vs aerobic plus resistance training)	0.93	0.06	0.15	0.66
Exercise dose (number of weeks ×number of sessions/week ×average duration of session in hours)	0.10	0.44	0.89	0.71
Exercise setting (hospital only, home only, both hospital and home)	0.09	0.60	0.62	0.08
Single vs multi‐centre	0.46	0.60	0.09	0.06
Publication date	0.20	0.78	0.67	0.74
Risk of bias	0.28	0.05	0.01	0.01

CI: confidence interval; HRQoL: health‐related quality of life; MLWHF: Minnesota Living With Heart Failure questionnaire.