Table 2

CPET1 and CPET2 in CSF/ME patients versus controls&

CPET1

CPET2


Patients n = 15

Controls n = 15

Patients n = 15

Controls n = 15


FVC (L)

3.70 ± 0.73

3.71 ± 0.77

3.71 ± 0.73

3.76 ± 0.72


FEV 1 (L)

2.95 ± 0.61

2.98 ± 0.55

2.94 ± 0.46

3.05 ± 0.53


Rest


Heart rate (beats/min)

86.5 ± 10.6

80.7 ± 8.6

87.9 ± 11.2

80.9 ± 8.8


O2 pulse (mL/beat)

4.43 ± 0.72

4.73 ± 0.86

4.26 ± 0.76

4.73 ± 0.88


V'O2/kg [mL/(min.kg)]

5.93 ± 1.28

6.27 ± 0.80

5.87 ± 1.30

6.20 ± 0.56


Anaerobic Threshold


WR (Watt)

58.6 ± 24.2

82.9 ± 29.1*

54.5 ± 20.9

92.9 ± 31.1**


Heart rate (beats/min)

110 ± 14

111 ± 10

112 ± 13

118 ± 10#


O2 pulse (mL/beat)

7.69 ± 1.50

9.19 ± 2.42

7.01 ± 1.74 #

9.48 ± 2.69**


V'O2/kg [mL/(min.kg)]

12.8 ± 3.0

16.7 ± 4.0**

11.9 ± 2.9

18.0 ± 4.6**#


V'E/V'CO2

29.2 ± 2.3

26.9 ± 1.5**

29.1 ± 3.7

25.7 ± 2.0**#

Maximal exercise


WR (Watt)

132 ± 30

188 ± 46**

125 ± 35

196 ± 51** ##


Heart rate (beats/min)

158 ± 20

167 ± 8

155 ± 21

168 ± 8*


O2 pulse (mL/beat)

9.19 ± 2.18

12.43 ± 5.25*

8.82 ± 2.20.

11.70 ± 3.01**


V'O2/kg [mL/(min.kg)]

22.3 ± 5.7

31.2 ± 7.0**

20.9 ± 5.5 ##

31.9 ± 7.4**#


& Data are presented as mean ± SD

Differences evaluated by multivariate or repeated measures ANOVA:

*: P < 0.05; ** P < 0.01 between patients and controls

#: P < 0.05; ## P < 0.01 between CPET1 and CPET2

Vermeulen et al. Journal of Translational Medicine 2010 8:93   doi:10.1186/1479-5876-8-93

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