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. 2011 Feb 17;140(2):310–316. doi: 10.1378/chest.10-1750

Table 1.

—Characteristics of the Study Sample Compared With Those Patients Excluded

Characteristics Study Sample (n = 917) Excluded (n = 55)
Age, y 65.7 ± 9.7 64.5 ± 10.0
Male sex 54.3 45.6
Race/ethnicity
 Caucasian 32.5 32.7
 African American 28.0 40.0
 Hispanic 31.5 18.2
 Chinese 8.0 9.1
Educational attainment
 No high school degree 19.7 22.0
 High school degree 20.9 18.0
 Some college 26.7 34.0
 College degree 14.6 12.0
 Higher than bachelor degree 18.0 14.0
Height, cm 166.3 ± 10.2 165.3 ± 10.0
Weight, kg 77.4 ± 14.7 75.0 ± 15.1
BMI, kg/m2 28.0 ± 4.6 27.4 ± 4.4
Cigarette smoking status
 Never 51.5 30.0
 Former 37.3 52.0
 Current 11.2 18.0
Hypertension 48.3 43.6
Systolic BP, mm Hg 128.0 ± 20.0 130.0 ± 24.2
Diastolic BP, mm Hg 71.9 ± 10.2 74.2 ± 10.3
Diabetes mellitus (treated or untreated) 14.3 13.0

Data are presented as mean ± SD or %.