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Table 2 Subjects' characteristics at baseline and changes over 6 months according to gender

From: Quality of life is associated with physical activity and fitness in cystic fibrosis

 

Baseline

Change over 6 months

 

Female

Male

Total

Female

Male

Total

Number

37

39

76

34

36

70

Age (years)

19.5 ± 5.5

21.6 ± 5.9

20.6 ± 5.8

0.6 ± 0.1

0.6 ± 0.1

0.6 ± 0.1

Body mass index (kg/m2)

19.9 ± 2.5

19.8 ± 2.9

19.8 ± 2.7

–0.1 ± 1.2

0.1 ± 0.7

0.0 ± 1.0

FEV1 (% predicted)

72.3 ± 20.3

65.1 ± 17.4

68.6 ± 19.1

–1.3 ± 11.4

0.2 ± 11.3

–0.5 ± 11.3

Reported activity (hours/week)

5.8 ± 6.4

9.5 ± 10.6*

7.7 ± 9.0

1.1 ± 7.4

–2.5 ± 11.0

–0.7 ± 9.5

Measured MVPA (hours/week)

9.2 ± 3.8

11.2 ± 5.1

10.1 ± 4.5

–0.5 ± 4.7

–1.2 ± 3.4

–0.8 ± 4.1

Muscle power (W/kg)

5.6 ± 0.7

7.3 ± 1.1***

6.5 ± 1.3

–0.1 ± 0.8

–0.2 ± 0.7

–0.2 ± 0.7

Wmax (W)

152 ± 28

191 ± 44

172 ± 42

3 ± 23

14 ± 28

9 ± 26

Wmax (% predicted)

102.7 ± 19.3

94.7 ± 17.1

98.6 ± 18.5

1.0 ± 015.7

5.4 ± 13.6

3.3 ± 14.7

VO2peak (ml/kg/min)

33.9 ± 6.6

41.0 ± 6.7

37.4 ± 7.5

0.3 ± 5.4

1.6 ± 5.1

0.9 ± 5.2

VO2peak (% predicted)

82.6 ± 16.3

78.0 ± 13.2

80.3 ± 14.9

0.5 ± 13.9

3.0 ± 10.8

1.8 ± 12.4

  1. Data are mean ± standard deviation (SD). Abbreviations: FEV1 forced expiratory volume in 1 second, MVPA moderate–and–vigorous physical activity, Wmax maximal aerobic power, VO2peak peak oxygen uptake. *, **, *** denote a significant difference between female and male patients at the p < 0.05, p < 0.01 and p < 0.001 level, respectively.