Table 1.
Gas exchange variables measured by the Innocor and CardiO at peak exercise.
Gas exchange
variables
Innocor
mean (SD)
CardiO
2
mean (SD)
p
value
Difference
%
Cronbach’s
Alpha
VO
2
(l
.
min
-1
)
2.88 (1.02)
2.83 (.80)
.97
.15
.89
VCO
2
(l
.
min
-1
)
2.95 (1.14)
3.19 (1.21)
.19
7.52
.91
V
E
(l
.
min
-1
)
79.62 (28.72)
81.31 (32.76)
.55
2.08
.97
FeO
2
(%)
17.29 (0.54)
17.31 (.52)
.87
.12
.78
FeCO
2
(%)
3.69 (0.59)
3.97 (.39)
.11
7.05
.35
RER
1.02 (0.13)
1.13 (.14)
*
.04
8.15
.53
Abbreviations: VO- oxygen uptake, VCO - carbon dioxide production, V - minute ventilation, FeO - fraction of expired oxygen, FeCO - fraction of expired carbon dioxide, RER – respiratory exchange ratio. * significantly different (p < 0.05).