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Table 2 EQ-5D-5L: Utility and VAS. Total and subgroups (level of severity, gender and age group)

From: Health-related quality of life of patients diagnosed with COPD in Extremadura, Spain: results from an observational study

SubgroupsNumber of valid casesUtilityVAS
mean ± SDp-valuemean ± SDp-value
Level of severity
 GOLD I410.74 ± 0.350.00359.8 ± 24.40.040
 GOLD II790.77 ± 0.2662.4 ± 20.7
 GOLD III350.58 ± 0.3150.0 ± 21.2
 GOLD IV50.48 ± 0.4565.7 ± 30.1
Gender
 Male3080.76 ± 0.28< 0.00160.5 ± 22.00.001
 Female780.58 ± 0.3851.3 ± 20.0
Age group
 Under 65800.81 ± 0.220.02359.3 ± 20.70.837
 65 years or older3060.70 ± 0.3258.5 ± 22.3
Total3860.72 ± 0.31 58.6 ± 21.9 
  1. EQ-5D-5L EuroQol - 5 dimensions - 5 levels, VAS visual analogue scale, SD standard deviation, COPD chronic obstructive pulmonary disease