Table 1.
Demographics and comorbidities of the study population, including patients with and without COVID-19 (N=348,596). Multivariate analysis of the risk factors was performed. Age was adjusted for sex and sex was adjusted for age. The remaining risk factors were adjusted for age and sex.
| Demographics and risk factors | Patients with COVID-19 (n=23,844) | Patients without COVID-19 (n=324,752) | Adjusted odds ratio (95% CI) | P value | ||||
| Demographics | ||||||||
|
|
Age (years), mean (SD) | 49.93 (19.4) | 49.53 (20.0) | 1.0 (0.99-1.0) | .10 | |||
|
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Age group (years), n (%) | N/Aa | <.001 | |||||
|
|
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16-30 | 4239 (19.2) | 61,382 (20.4) |
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||
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|
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31-40 | 4182 (18.9) | 49,610 (16.5) |
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||
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|
|
41-50 | 4381 (19.8) | 56,457 (18.7) |
|
|
||
|
|
|
51-60 | 3685 (16.6) | 48,309 (16.0) |
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||
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|
|
61-70 | 1841 (8.3) | 39,163 (13.0) |
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||
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|
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71-80 | 1335 (6.0) | 25,999 (8.6) |
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||
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81-90 | 1763 (8.0) | 16,884 (5.6) |
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||
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>90 | 739 (3.3) | 3620 (1.2) |
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Sex | 0.73 (0.71-0.75) | <.001 | |||||
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Female | 13,763 (57.7) | 161,721 (49.8) |
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|
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Male | 10,081 (42.3) | 163,031 (51.2) |
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| Risk factors | ||||||||
|
|
Hypertension | 5267 (22.1) | 70,432 (21.7) | 1.01 (0.97-1.04) | .77 | |||
|
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Diabetes | 2101 (8.8) | 27,379 (8.4) | 1.06 (1.01-1.12) | .01 | |||
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Dyslipidemia | 4749 (19.9) | 66,675 (20.5) | 0.94 (0.90-0.97) | <.001 | |||
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Obesity | 5181 (21.7) | 64,320 (19.8) | 1.10 (1.06-1.14) | <.001 | |||
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Chronic obstructive pulmonary disease | 685 (2.9) | 8193 (2.5) | 1.23 (1.14-1.34) | .001 | |||
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Cancer | 1765 (7.4) | 21,785 (6.7) | 1.09 (1.04-1.15) | <.001 | |||
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Current smoker | 3578 (15.0) | 46,659 (14.3) | 1.09 (1.05-1.13) | <.001 | |||
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Heart failure | 515 (2.2) | 4301 (1.3) | 1.63 (1.48-1.79) | <.001 | |||
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Cerebrovascular disease | 176 (0.7) | 1658 (0.5) | 1.48 (1.26-1.72) | <.001 | |||
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Ischemic heart disease | 627 (2.6) | 8122 (2.5) | 1.11 (1.02-1.20) | .02 | |||
aN/A: not applicable.