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Table 2 Subject characteristics

From: Health-related quality of life is related to COPD disease severity

Characteristic Mean data (range)
n, total number agreed 176
Men/women n = 168 98/70
Mean age, years (range) n = 168 64.3 (28–80)
FEV1, L (range) n = 159 1.76 (0.46–4.12)
FEV1 % predicted (range) n = 159 62 (18–118)
Smoking status n = 171 Smoker, n = 57 Non-smoker, n = 29 Ex-smoker, n = 85
Socioeconomic group n = 174 Manual employees, n = 78 Non-manual employees, n = 60 Unemployed incl. housewives, n = 36