Table 2.
Cardiopulmonary exercise test parameters at baseline and 6 weeks and 24 weeks follow-up period.
| Cardiopulmonary exercise test resultsa | Week, mean (SD) | Within-group, P | Between-group, P | |||||||||
|
|
Week 1 | Week 6 | Week 24 | Overall | Δ 6-1 | Δ 24-6 | Δ 24-1 | Overall | Δ 6-1 | Δ 24-6 | Δ 24-1 | |
| Intervention group |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
VO2 peak (mL/[min*kg]) | 22.46 (6.43) | 23.91 (6.74) | 24.46 (7.57) | .01 | .08 | .38 | .01 | <.001 | .19 | .01 | <.001 |
|
|
HR max (% pred) | 79 (13) | 80 (12) | 83 (12) | .047 | .99 | .36 | .05 | .53 | N/A | N/A | N/A |
|
|
Watt (W) | 152 (48) | 163 (52) | 165 (53) | .01 | .02 | .81 | .01 | .01 | .90 | .01 | .02 |
|
|
Watt (pred%) | 103 (23) | 110 (27) | 116 (27) | <.001 | .01 | .27 | <.001 | <.001 | .83 | .01 | .01 |
|
|
VT1 (W) | 69 (24) | 75 (25) | 81 (26) | <.001 | .74 | <.001 | <.001 | <.001 | .80 | <.001 | <.001 |
|
|
VT1 (bpm) | 93 (17) | 91 (15) | 96 (15) | .01 | .99 | .01 | .08 | .01 | .35 | .01 | .047 |
|
|
OUES (mL/min/log[mL/min]) | 2067 (518) | 2241 (545) | 2272 (579) | <.001 | .02 | .045 | <.001 | .1 | N/A | N/A | N/A |
|
|
Weight (kg) | 83.3 (18.2) | 83.2 (17.4) | 83.0 (17.3) | .69 | N/A | N/A | N/A | .45 | N/A | N/A | N/A |
|
|
BMI (kg/m2) | 28 (5) | 28 (5) | 28 (5) | .63 | N/A | N/A | N/A | .60 | N/A | N/A | N/A |
|
|
DBP rest (mm Hg) | 82 (19) | 81 (21) | 77.24 (21.13) | .48 | N/A | N/A | N/A | .67 | N/A | N/A | N/A |
|
|
SBP rest (mm Hg) | 126 (21) | 129 (30) | 150 (140) | .26 | N/A | N/A | N/A | .30 | N/A | N/A | N/A |
| Control group |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
VO2 peak (mL/([min*kg]) | 22.72 (6.05) | 22.86 (5.37) | 22.15 (5.83) | .02 | .99 | .02 | .09 |
|
|
|
|
|
|
HR max (% pred) | 77 (12) | 79 (13) | 79 (12) | .43 | N/A | N/A | N/A |
|
|
|
|
|
|
Watt (W) | 150 (49) | 158 (50) | 152 (53) | .01 | <.001 | .02 | .99 |
|
|
|
|
|
|
Watt (pred%) | 105 (26) | 108 (26) | 104 (27) | .01 | <.001 | .01 | .99 |
|
|
|
|
|
|
VT1 (W) | 83 (34) | 88 (34) | 76 (31) | <.001 | .20 | <.001 | .01 |
|
|
|
|
|
|
VT1 (bpm) | 95 (15) | 96 (15) | 95 (17) | .53 | N/A | N/A | N/A |
|
|
|
|
|
|
OUES (mL/min/log[mL/min]) | 2493 (2338) | 2264 (637) | 2142 (636) | .25 | N/A | N/A | N/A |
|
|
|
|
|
|
Weight (kg) | 82.7 (13.4) | 82.5 (13.3) | 82.5 (13.9) | .18 | N/A | N/A | N/A |
|
|
|
|
|
|
BMI (kg/m2) | 28 (4) | 28 (4) | 27 (5) | .51 | N/A | N/A | N/A |
|
|
|
|
|
|
DBP rest (mm Hg) | 84 (21) | 78 (19) | 79 (17) | .33 | N/A | N/A | N/A |
|
|
|
|
|
|
SBP rest (mm Hg) | 129 (25) | 127 (23) | 129 (21) | .57 | N/A | N/A | N/A |
|
|
|
|
a BMI: body mass index; CPET: cardiopulmonary exercise testing; DBP: diastolic blood pressure; HR: heart rate; N/A: not applicable; OUES: oxygen uptake efficiency slope; SBP: systolic blood pressure; VT1: first ventilatory threshold.