Table 2.
Characteristics of patients with a 20-pack-year history of smoking (N = 107).
| Characteristics | Total (N = 107) |
Previous diagnosis of COPD (N = 36) |
No previous diagnosis of COPD (N = 71) |
p value |
|---|---|---|---|---|
| Age, years, mean ± SD | 80.5 ± 4.7 | 81.5 ± 5.0 | 80.0 ± 4.4 | 0.108 |
| Gender, female, n (%) | 37 (34.9) | 14 (38.9) | 23 (32.4) | 0.505 |
| Medical history prior to screening, n (%) | ||||
| Heart failure | 13 (12.1) | 8 (22.2) | 5 (7.0) | 0.031∗ |
| CAD (MI, Angina, CABG) | 39 (36.4) | 12 (33.3) | 27 (38.0) | 0.676 |
| Hypertension | 57 (53.3) | 13 (36.1) | 44 (62.0) | 0.011∗ |
| Diabetes | 30 (28.0) | 7 (19.4) | 23 (32.4) | 0.159 |
| Hyperlipidemia | 35 (33.6) | 11 (30.6) | 25 (35.2) | 0.630 |
| Atrial fibrillation | 15 (14.0) | 5 (13.9) | 10 (14.1) | 0.978 |
| MCI/dementia | 10 (9.3) | 2 (5.6) | 8 (11.3) | 0.490 |
| Osteoporosis | 30 (28.3) | 12 (33.3) | 18 (25.4) | 0.385 |
| Spirometry in previous year | 9 (8.4) | 6 (16.7) | 3 (4.2) | 0.032∗ |
COPD: chronic obstructive pulmonary disease; CAD: coronary artery disease; MI: myocardial infarction; CABG: coronary artery bypass graft; MCI: mild cognitive impairment.
∗Statistically significant (p < 0.05) differences between those previously diagnosed with COPD and those not previously diagnosed with COPD.