Table 7.
Demographic characteristics of patients with influenza
| Fatal cases (n = 6) | Non‐fatal cases (n = 18) | P valuea | |
|---|---|---|---|
| Age (year), mean ± SD | 87.3 ± 6.2 | 82.0 ± 7.1 | .12 |
| Sex (male), n (%) | 3 (50.0) | 9 (50.0) | 1 |
| Comorbidity | 4 (66.7) | 14 (77.8) | .62 |
| Diabetes mellitus | 2 (33.3) | 5 (27.8) | 1 |
| Cardiovascular disease | ‐ | 5 (27.8) | .28 |
| Cerebrovascular disease | ‐ | 6 (33.3) | .28 |
| Neuromuscular disease | ‐ | 4 (22.2) | .54 |
| Chronic lung disease | 4 (66.7) | 2 (11.1) | .02 |
| Asthma | 1 (16.7) | 2 (11.1) | 1 |
| Chronic kidney disease | ‐ | 1 (5.6) | 1 |
| Chronic liver disease | ‐ | 3 (16.7) | .55 |
| Malignancy | ‐ | 1 (5.6) | 1 |
a
Fisher's exact test.