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Table 1 Demographic and clinical characteristics of the study participants

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

Characteristic Statistic
N   401
Age Mean ± SD 28.7 ± 8.88
Range (min, max) 18 - 62
Sex Male: N (%) 156 (38.9)
Ethnicity (N %) White 393 (98.0)
Other 8 (2.0)
Working/studying Yes: N (%) 248 (49.4)
Diagnosis of CF (years) Mean ± SD 25.3 ± 9.1
Median 25.0
Range (min, max) 1 - 59
Recent FEV 1 Predicted Mean ± SD 65.7 ± 27.3
Median 67.0
Range (min, max) 17 - 99
Last FEV 1 : N (%) 0 – 1 month 242 (63.9)
>1 - 3 months 97 (25.6)
>3 months 11 (2.9)
Recent Exacerbation: N (%) Yes 114 (30.1)
Requiring Hospitalisation N (%) of above 42 (36.8)
  1. N, sample size; SD, Standard Deviation; FEV1, percentage of predicted Forced Expiratory Volume in 1 second.
  2. FEV1 severity levels: Mild = >70%; Moderate = 41% – 70%; Severe = < 41%.