Table 2. Comorbidities stratified by virus type and variant.
| Overall | Influenza | Wild-type/Delta | Omicron | |
|---|---|---|---|---|
| N = 35,806 | N = 4,916 | N = 16,654 | N = 14,236 | |
| Tumor disease | 5.3 (1,891) | 3.8 (189) | 4.7 (781) | 6.5 (921) |
| Diabetes mellitus | 22.0 (7,862) | 18.8 (923) | 24.8 (4,131) | 19.7 (2,808) |
| Lipid metabolic disorder | 15.4 (5,528) | 14.6 (720) | 15.7 (2,620) | 15.4 (2,188) |
| Obesity | 5.1 (1,822) | 4.9 (241) | 6.4 (1,070) | 3.6 (511) |
| Heart Failure | 15.4 (5,210) | 15.0 (738) | 14.2 (2,371) | 14.8 (2,101) |
| Ischemic heart disease | 14.1 (5,053) | 15.4 (759) | 13.9 (2,318) | 13.9 (1,976) |
| Cerebrovascular disease | 7.5 (2,683) | 6.6 (322) | 7.4 (1,226) | 8.0 (1,135) |
| Liver cirrhosis/fibrosis | 0.9 (325) | 0.8 (39) | 0.8 (130) | 1.1 (156) |
| COPD | 7.3 (2,619) | 12.0 (588) | 6.4 (1,061) | 6.8 (970) |
Categorical data are presented as frequencies and absolute numbers. The analyses were stratified by virus type and virus variant. COPD indicates chronic obstructive pulmonary disease.