Table 1.
Demographic characteristics and comorbidities of patients with and without COPD
| Variables | With COPD (n=55,136) | Without COPD (n=98,769) | P-value |
|---|---|---|---|
| Age, years | |||
| 40–49 | 8,764 (15.9) | 11,437 (11.6) | – |
| 50–59 | 11,039 (20.0) | 21,323 (21.6) | |
| 60–69 | 12,541 (22.7) | 27,818 (28.2) | |
| ≥70 | 22,792 (41.3) | 38,191 (38.7) | |
| Mean (±SD) | 65.4 (13.2) | 65.7 (11.7) | – |
| Sex | |||
| Male | 31,185 (56.6) | 52,539 (53.2) | – |
| Female | 23,951 (43.4) | 46,230 (46.8) | |
| Comorbidities | |||
| Diabetes | 9,803 (17.8) | 14,650 (14.8) | <0.001 |
| Hypertension | 24,189 (43.9) | 33,002 (33.4) | <0.001 |
| Chronic liver disease | 5,909 (10.7) | 6,630 (6.7) | <0.001 |
| Stroke | 7,509 (13.6) | 7,865 (8.0) | <0.001 |
| Cancer | 751 (1.4) | 890 (0.9) | <0.001 |
| Chronic renal disease | 958 (1.7) | 1,152 (1.2) | <0.001 |