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Table 1 Subject characteristics

From: Health-related quality of life, utility, and productivity outcomes instruments: ease of completion by subjects with COPD

Number

174

Women / men

70 / 104

Age, years

 

   Mean ± SD

64.3 ± 12

   Range

28–80

FEV1, L

 

   Mean ± SD

1.76 ± 0.78

   Range

0.46 – 4.12

FEV1, % pred

 

   Mean ± SD

62 ± 20

   Range

18–118

GOLD classification

 

   Number of subjects:

 

   Stage I

19

   Stage IIA

82

   Stage IIB

32

   Stage III

9

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Health and Quality of Life Outcomes

ISSN: 1477-7525

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