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Table 2 EQ-5D and CFQ-R descriptive data - total sample and split by FEV 1 severity levels

From: Mapping the EQ-5D index from the cystic fibrosis questionnaire-revised using multiple modelling approaches

  Mild FEV 1 Moderate FEV 1 Severe FEV 1 Total sample
  Mean ± SD Mean ± SD Mean ± SD Mean ± SD
EQ-5D     
Utility value 0.74 ± 0.27 0.70 ± 0.26 0.54 ± 0.29 0.67 ± 0.28
CFQ-R     
Physical functioning 67.18 ± 28.82 44.74 ± 26.01 20.63 ± 18.24 45.71 ± 30.83
Role functioning 71.83 ± 25.25 60.17 ± 24.00 41.87 ± 26.19 59.87 ± 27.54
Vitality 47.78 ± 23.06 41.09 ± 20.78 31.73 ± 17.68 40.69 ± 21.74
Emotional functioning 62.54 ± 25.49 57.89 ± 22.47 49.64 ± 19.82 57.47 ± 23.44
Social functioning 61.06 ±17.84 55.06 ± 19.26 50.94 ± 20.51 56.12 ± 19.35
Body image 64.23 ± 28.07 61.84 ± 27.27 43.91 ± 29.75 58.38 ± 28.96
Eating disturbance 77.35 ± 25.22 76.32 ± 25.33 65.73 ± 28.89 74.70 ± 26.28
Treatment burden 56.30 ± 23.68 44.83 ± 23.87 42.17 ± 22.61 49.40 ± 25.2
Health perceptions 58.94 ± 26.43 43.45 ± 21.23 24.90 ± 22.66 44.25 ± 26.16
Weight 69.52 ± 36.43 63.91 ± 39.77 42.17 ± 40.35 60.76 ± 40.29
Respiratory symptoms 61.00 ± 24.68 47.82 ± 21.48 38.55 ± 21.8 49.63 ± 24.44
Digestive symptoms 67.30 ± 24.65 71.80 ± 25.63 73.49 ± 22.00 71.27 ± 23.92
  1. SD, standard deviation; FEV1, percentage of predicted Forced Expiratory Volume in 1 second.
  2. FEV1 severity levels: Mild = >70%; Moderate = 41% – 70%; Severe = < 41%.