The Effects of High-Intensity Interval Training on Exercise Capacity and Prognosis in Heart Failure and Coronary Artery Disease: A Systematic Review and Meta-Analysis

Table 3

Characteristics for HIIT and MICT interventions.

Study	Duration (weeks)	Exercise modality	HIIT				MICT
			Exercise intensity (%max) (interval: rest)	Frequency (days/week)	Exercise time per week (min)	Attendance rate, dropouts and adverse events	Exercise intensity (%max) (interval: rest)	Frequency (days/week)	Exercise time per week (min)	Attendance rate, dropouts and adverse events
Benda	12	Cycle	Maximal workload: 10 × 2.5 min30%; Maximal workload	2	70	Attendance NR; (16%); adverse: NR	60-75%; Maximal workload	2	60	Attendance NR; (16%); adverse: NR
Besnier	3.5	Cycle	80% PPO	5	150	; ;	60% PPO	5	150	Attendance: 100%; ; a
Cardozo	16	Running	2 min 90% HRmax: 2 min 60% HRmax	3	120	Attendance: NR; dropouts: NR;	70-75%HRmax	3	120	Attendance: NR; dropouts: NR;
Currie	12	Cycle	PPO; (30s traning, 30 s rest)	2	80	Attendance: NR; dropouts: NR	58% PPO	2	80-100	Attendance: NR; dropouts: NR;
Currie	24	Cycle	121% PPO	2	120	Attendance: NR;	78% PPO	2	120	Attendance: NR; D;
Ellingsen	12	Running or cycle	90-95%HRmax; 3 min 60-70% HRmax	NR	NR	; ;	60-70%HRmax	NR	NR	; ;
Freyssin	8	Running or cycle	80% maximal power	5	168	; ;	50% maximal power	5	360	; ;
Hornikx	12	Running or cycle	80% Wpeak; 40% Wpeak	3	99	Attendance: NR; (10%); (10%)	50%Wpeak	3	180	Attendance: NR; (10%); (33%)
Jaureguizar	8	Cycle	105-135% VO2peak	3	120	; ;	65-70% VO2peak	3	120	; ;
Koufaki	24	Cycle	100% VO2peak	3	120	; (6%); (6%)	40-60%; VO2peak	3	120	; ;
Rognmo	10	Running	80-90% VO2peak; 50-60% VO2peak	3	99	;	50-60%; VO2peak	3	123	; ;
Villelabeitia	8	Cycle	105-135% VO2peak	3	120	; ;	65-70%; VO2peak	3	120	; ;
Villelabeitia	8	Cycle	108-126% VO2peak	3	120	; ;	60-70%; VO2peak	3	120	;
Warburton	16	Running or climb stairs	90% heart rate/VO2 reserve	2	60	Attendance: NR; ; adverse: NR	65% heart rate/VO2; Reserve	2	60	Attendance: NR; ; adverse: NR
Wisløff	12	Running	90-95% VO2peak; 50-60% VO2peak	3	114	; ;	70-75%; VO2peak	3	141	; ;

HIIT: high-intensity interval training; MICT: moderate-intensity continuous training; PPO: peak power output; HR_max: maximal heart rate; Wpeak: peak workload; VO_2peak: peak oxygen uptake; NR: not reported.