Table 1.
Demographic status and comorbidity compared between cohorts with and without COPD
|
Variables |
Non-COPD |
COPD |
p
|
|---|---|---|---|
| N = 38010 | N = 38010 | ||
| Age, years |
n (%) |
n (%) |
|
| <50 |
11209 (29.5) |
11097 (29.2) |
0.3245 |
| 50–69 |
14515 (38.2) |
14436 (38.0) |
|
| ≥70 |
12286 (32.3) |
12477 (32.8) |
|
| mean (SD) |
59.0 (17.1) |
59.2 (17.0) |
0.1365 |
| Gender |
|
|
1.0000 |
| Female |
16344 (43.0) |
16344 (43.0) |
|
| Male |
21666 (57.0) |
21666 (57.0) |
|
| Monthly income |
|
|
<0.0001 |
| Low |
16787 (44.2) |
16338 (43.0) |
|
| Median |
19109 (50.3) |
19757 (52.0) |
|
| High |
2114 (5.60) |
1915 (5.00) |
|
| Level of urbanization |
|
|
<0.0001 |
| Urban |
21149 (55.9) |
20479 (54.1) |
|
| Suburban |
12327 (32.6) |
12465 (32.9) |
|
| Rural |
4373 (11.6) |
4919 (13.0) |
|
| Comorbidity |
|
|
|
| Hypertension |
10565 (27.8) |
15190 (40.0) |
<0.0001 |
| Arthritis |
6390 (16.8) |
9799 (25.8) |
<0.0001 |
| Diabetes |
4474 (11.8) |
6027 (15.9) |
<0.0001 |
| Heart disease |
6473 (17.0) |
11871 (31.2) |
<0.0001 |
| Chronic kidney disease |
601 (1.60) |
903 (2.40) |
<0.0001 |
| Cancer | 1591 (4.20) | 2480 (6.50) | <0.0001 |