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Table 1 Participant characteristics

From: Effects of treadmill exercise versus Flutter® on respiratory flow and sputum properties in adults with cystic fibrosis: a randomised, controlled, cross-over trial

  Mean ± SD Range
Age (yr) 30 ± 8 19–48
Sex (F : M) 9 : 15  
BMI (kg/m2) 21.0 ± 2.2 17.1–26.2
FEV1 (L) 1.81 ± 0.72 0.90–3.40
FEV1 (predicted %) 51 ± 18 28–86
FVC (predicted %) 71 ± 14 46–98
RV/TLC (%) 40 ± 10 24–57
Treadmill peak VO2 (mL/kg/min) 30.6 ± 7.8 18.9–50.5
Treadmill peak VO2 (predicted %) 82 ± 19 48–127
  1. Mean ± standard deviation and range of participant baseline characteristics for the 24 participants who completed the study. Forced expiratory volume in 1 s (FEV1), forced vital capacity (FVC) [30] and treadmill peak VO2 [31, 32] expressed as a percentage of predicted values. Residual volume (RV) divided by total lung capacity (TLC) reflects the degree of air trapping