Table 2 Cardio-metabolic changes (mean ± SD) following 12 weeks of Active-at-Home-HF intervention

 Oxygen consumption (ml/kg/min)

3.8 ± 1.0

4.1 ± 0.8

0.36

7.9

 Respiratory exchange ratio

0.85 ± 0.1

0.85 ± 0.1

0.92

0

 Heart rate (beats/min)

67 ± 7

70 ± 7

0.24

4.5

 Stroke volume index (ml/beat)

48 ± 9

49 ± 8

0.75

2.0

 Cardiac output (l/min)

6.1 ± 1

6.6 ± 1

0.14

8.2

 Systolic blood pressure (mmHg)

118 ± 18

124 ± 18

0.41

4.0

 Diastolic blood pressure (mmHg)

74 ± 8

76 ± 12

0.74

2.6

 Mean arterial pressure (mmHg)

90 ± 9

92 ± 13

0.66

2.2

 Oxygen consumption (ml/kg/min)

16.8 ± 3.8

17.6 ± 4.2

0.54

4.8

 Respiratory exchange ratio

1.05 ± 0.1

1.07 ± 0.1

0.62

1.9

 Heart rate (beats/min)

106 ± 19

107 ± 16

0.92

1.0

 Stroke volume (ml/beat)

127 ± 34

151 ± 34

0.05

18.9

 Stroke volume index (ml/beat/m²)

64 ± 14

75 ± 17

0.04

17.2

 Cardiac output (l/min)

13.4 ± 4

15.3 ± 4.9

0.19

14.2

 Cardiac index (l/min/m²)

6.8 ± 1.5

7.6 ± 2.0

0.19

11.7

 Systolic blood pressure (mmHg)

155 ± 30

150 ± 30

0.62

3.2

 Diastolic blood pressure (mmHg)

80 ± 8

79 ± 8

0.72

1.3

 Mean arterial pressure (mmHg)

103 ± 13

102 ± 13

0.87

1.0

 Peak exercise workload (watts)

82 ± 10

91 ± 19

0.21

11

 Exercise workload at anaerobic threshold (watts)

49 ± 16

59 ± 14

0.01

20

 Oxygen consumption at anaerobic threshold (ml/kg/min)

11.5 ± 2.9

12.8 ± 2.2

0.39

11.3

 Rate of perceived exertion

16 ± 2.4

17 ± 2.3

0.22

6.3