Table 1 Baseline characteristics of study population
Baseline Characteristics of Study Population | |||||
|---|---|---|---|---|---|
GOLD Category | A | B | C | D | TOTAL |
Population, n | 281 | 921 | 26 | 210 | 1438 |
Age, years (mean ± SD) | 69.7 (± 11.5) | 69.6 (± 10.8) | 69.3 (± 6.6) | 69.6 (± 10.9) | 69.6 (± 10.9) |
Male, n (%) | 140 (50) | 447 (49) | 19 (73) | 79 (38) | 685 (48) |
Female, n (%) | 141 (50) | 474 (51) | 7 (27) | 131 (62) | 753 (52) |
CAT Score, mean (± SD) | 7.8 (± 6.3) | 20.5 (± 7.3) | 7.1 (± 6.5) | 24.4 (± 7.8) | 18.3 (± 9.1) |
Race, n (%) | |||||
Asian | 5 (2) | 10 (1) | 1 (4) | 2 (1) | 18 (1) |
Black or African American | 20 (7) | 67 (7) | 1 (4) | 14 (7) | 102 (7) |
White | 236 (84) | 775 (84) | 23 (88) | 177 (84) | 1211 (84) |
Other Race | 9 (3) | 41 (4) | 1 (4) | 11 (5) | 62 (4) |
Declined to Specify | 11 (4) | 28 (3) | 0 (0) | 6 (3) | 45 (3) |
Smoking history, n (%) | |||||
Current smoker | 65 (23) | 220 (24) | 5 (19) | 50 (24) | 345 (24) |
Former smoker | 167 (59) | 535 (58) | 17 (65) | 122 (58) | 834 (58) |
Never smoker | 49 (17) | 166 (18) | 4 (15) | 38 (18) | 259 (18) |