|
Variable
|
CRD n = 36,365
|
Control n = 87,965
|
P value
|
|---|
|
Age, year
| | |
< 0.001
|
|
20–29
|
6932 (19.1)
|
25,448 (28.9)
| |
|
30–39
|
3451 (9.5)
|
9703 (11.0)
| |
|
40–49
|
4503 (12.4)
|
12,016 (13.7)
| |
|
50–59
|
6787 (18.7)
|
18,473 (21.0)
| |
|
60–69
|
6806 (18.7)
|
12,863 (14.6)
| |
|
70–79
|
4534 (12.5)
|
5892 (6.7)
| |
|
≥ 80
|
3352 (9.2)
|
3570 (4.1)
| |
|
Sex, male
|
36,228 (41.2)
|
12,498 (34.4)
|
< 0.001
|
|
Residence
| | |
< 0.001
|
|
Seoul
|
2367 ( 6.5)
|
5689 ( 6.5)
| |
|
Gyeonggi-do
|
23,442 (64.5)
|
58,051 (66.0)
| |
|
Daegu
|
2088 ( 5.7)
|
4767 ( 5.4)
| |
|
Gyeongsangbuk-do
|
4716 (13.0)
|
10,391 (11.8)
| |
|
Other area
|
3752 (10.3)
|
9067 (10.3)
| |
|
Underlying disability
|
3109 (8.5)
|
4546 (5.2)
|
< 0.001
|
|
Income level
| | |
< 0.001
|
|
Q1 (Lowest)
|
9758 (26.8)
|
22,629 (25.7)
| |
|
Q2
|
6681 (18.4)
|
18,298 (20.8)
| |
|
Q3
|
7815 (21.5)
|
19,959 (22.7)
| |
|
Q4 (Highest)
|
11,492 (31.6)
|
25,577 (29.1)
| |
|
Unknown
|
619 (1.7)
|
1502 ( 1.7)
| |
|
Charlson comorbidity index
|
2.7 (3.3)
|
1.5 (2.6)
|
< 0.001
|
|
Hypertension
|
12,896 (35.5)
|
19,831 (22.5)
|
< 0.001
|
|
DM without chronic complication
|
5676 (15.6)
|
8105 ( 9.2)
|
< 0.001
|
|
DM with chronic complication
|
1897 ( 5.2)
|
2358 ( 2.7)
|
< 0.001
|
|
Peripheral vascular disease
|
3306 ( 9.1)
|
3892 ( 4.4)
|
< 0.001
|
|
Renal disease
|
663 ( 1.8)
|
729 ( 0.8)
|
< 0.001
|
|
Rheumatic disease
|
1325 ( 3.6)
|
1633 ( 1.9)
|
< 0.001
|
|
Dementia
|
1940 ( 5.3)
|
1986 ( 2.3)
|
< 0.001
|
|
Peptic ulcer disease
|
4397 (12.1)
|
5475 ( 6.2)
|
< 0.001
|
|
Hemiplegia or paraplegia
|
255 ( 0.7)
|
313 ( 0.4)
|
< 0.001
|
|
Moderate or severe liver disease
|
58 ( 0.2)
|
88 ( 0.1)
|
0.007
|
|
Mild liver disease
|
5546 (15.3)
|
8066 ( 9.2)
|
< 0.001
|
|
Cerebrovascular disease
|
2635 ( 7.2)
|
3128 ( 3.6)
|
< 0.001
|
|
Congestive heart failure
|
1905 ( 5.2)
|
1778 ( 2.0)
|
< 0.001
|
|
Myocardial infarction
|
554 ( 1.5)
|
633 ( 0.7)
|
< 0.001
|
|
Malignancy
|
8859 (24.4)
|
13,154 (15.0)
|
< 0.001
|
|
Metastatic solid tumor
|
1886 ( 5.2)
|
2186 ( 2.5)
|
< 0.001
|
|
AIDS/HIV
|
12 ( 0.0)
|
20 ( 0.0)
|
0.405
|
- Presented as mean with standard deviation or number with percentage
- CRD, chronic respiratory disease; SD, standard deviation; DM, diabetes mellitus; AIDS, acquired immune deficiency syndrome; HIV, Human Immunodeficiency Virus