Table 2.
Clinical outcomes of patients with AECOPD with and without confirmed influenza diagnosis
| Variable | AECOPD with influenza | AECOPD without influenza | OR/MD | p |
|---|---|---|---|---|
| Cases, n | 1004 | 67,688 | ||
| Age distribution | n (%) | n (%) | 0.859 | |
| 40–44 years | 6 (0.6) | 408 (0.6) | ||
| 45–49 years | 20 (2.0) | 1120 (1.7) | ||
| 50–54 years | 38 (3.8) | 2328 (3.4) | ||
| 55–59 years | 61 (6.1) | 4415 (6.5) | ||
| 60–64 years | 97 (9.7) | 6703 (9.9) | ||
| 65–69 years | 145 (14.4) | 9723 (14.4) | ||
| 70–74 years | 197 (19.6) | 11,954 (17.7) | ||
| 75–79 years | 171 (17.0) | 11,809 (17.4) | ||
| 80–84 years | 159 (15.8) | 10,613 (15.7) | ||
| 85–89 years | 81 (8.1) | 6297 (9.3) | ||
| 90–94 years | 26 (2.6) | 2028 (3.0) | ||
| 95 + years | 3 (0.3) | 290 (0.4) | ||
| Female, % | 46 | 45 | OR: 1.05 | 0.443 |
| (95% CI 0.93–1.19) | ||||
| Outcomes | ||||
| Mean LOS, days | 10.9 | 11.5 | Adj. MD: − 0.61 | 0.083 |
| (95% CI − 1.29 to 0.08) | ||||
| In-hospital mortality, % | 3.3 | 5.5 | Adj. OR: 0.59 | 0.01 |
| (95% CI 0.42–0.84) | ||||
| Risk of re-hospitalization, % | 29 | 37 | Adj. OR: 0.71 | < 0.001 |
| (95% CI 0.62–0.89) | ||||
| Aspergillosis, % | 0.2 | 0.2 | Adj. OR: 1.13 | 0.998 |
| (95% CI 0.28–4.58) | ||||
OR odds ratio; MD mean difference; p p value; CI confidence interval