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Table 1 Baseline characteristics of 355 adult patients with COPD in the FLOW cohort study

From: Body composition and functional limitation in COPD

Characteristic N (%) or Mean (sd)
Age (years) 58 (6.2)
Sex (female) 212 (60%)
Race (white, non-hispanic) 229 (64%)
Smoking history  
Never smoked 63 (18%)
Current smoker 108 (30%)
Ex-smoker 184 (52%)
Educational attainment  
High school or less 112 (32%)
Some college 151 (43%)
College or graduate degree 92 (26%)