Table 4 Cardiopulmonary exercise and derived variables of population B (submaximal exercise: before/after cardiac rehabilitation)

Body weight, kg

66.1 ± 10.9

66.7 ± 10.9

0.008

Highest work rate, W^a

66 ± 20

82 ± 24

< 0.001

Ramp exercise duration, s

360 ± 107

438 ± 121

< 0.001

Highest Borg scale^a, /20

14.1 ± 1.7

14.7 ± 1.9

< 0.001

Highest HR^a, beats/min

109 ± 18

116 ± 18

< 0.001

Highest VO₂^a, mL/min

971 ± 285

1146 ± 341

< 0.001

Highest VO₂^a, mL/min/kg

14.6 ± 3.4

17.0 ± 4.0

< 0.001

Highest R^a

1.06 ± 0.10

1.09 ± 0.11

< 0.001

vVAT, mL/min

673 ± 191

734 ± 226

< 0.001

 vVAT, mL/min/kg

10.1 ± 2.4

10.8 ± 2.8

< 0.001

expVAT (VCO₂), mL/min

641 ± 185

685 ± 201

< 0.001

 expVAT (VCO₂), mL/min/kg

9.6 ± 2.3

10.2 ± 2.4

< 0.001

 Exponential coefficient, “a”

1.0018 ± 0.0004

1.0017 ± 0.0004

0.001

expVAT (VE), mL/min

696 ± 182

727 ± 209

0.008

 expVAT (VE), mL/min/kg

10.6 ± 2.7

10.9 ± 2.7

0.074

 Exponential coefficient, “a”

1.0015 ± 0.0004

1.0014 ± 0.0004

0.011

OUES (VCO₂), mL/min

1306 ± 327

1385 ± 355

< 0.001

OUES (VE), mL/min

1513 ± 398

1610 ± 467

< 0.001