Skip to main content

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.