Table 3.
Clinical outcomes in COPD patients of episodes of pneumonia with and without influenza diagnosis
| Variable | Pneumonia with influenza in patients with COPD | Pneumonia without influenza in patients with COPD | OR/MD | p |
|---|---|---|---|---|
| Cases, n | 734 | 29,971 | ||
| Age distribution | n (%) | n (%) | 0.015 | |
| 40–44 years | 4 (0.5) | 142 (0.5) | ||
| 45–49 years | 19 (2.6) | 396 (1.3) | ||
| 50–54 years | 25 (3.4) | 770 (2.6) | ||
| 55–59 years | 38 (5.2) | 1494 (5.0) | ||
| 60–64 years | 69 (9.4) | 2554 (8.5) | ||
| 65–69 years | 100 (13.6) | 4027 (13.4) | ||
| 70–74 years | 139 (18.9) | 5168 (17.2) | ||
| 75–79 years | 120 (16.3) | 5567 (18.6) | ||
| 80–84 years | 107 (14.6) | 5147 (17.2) | ||
| 85–89 years | 68 (9.3) | 3338 (11.1) | ||
| 90–94 years | 40 (5.4) | 1183 (3.9) | ||
| 95 + years | 5 (0.7) | 185 (0.6) | ||
| Female, % | 39 | 36 | OR: 1.11 (95% CI 0.95–1.29) | 0.206 |
| Outcomes | ||||
| Mean LOS, days | 14.5 | 13.9 | Adj. MD: 0.65 | 0.226 |
| (95% CI: -0.41 to 1.71) | ||||
| In-hospital mortality, % | 7.4 | 8.6 | Adj. OR: 0.86 | 0.679 |
| (95% CI 0.65–1.14) | ||||
| Risk of re-hospitalization, % | 34 | 34 | Adj. OR: 1.00 | 0.999 |
| (95% CI 0.86–1.17) | ||||
| Aspergillosis, % | 0.8 | 0.4 | Adj. OR: 1.94 | 0.322 |
| (95% CI 0.85–4.42) | ||||
| Empyema, % | 0.7 | 0.9 | Adj. OR: 0.69 | 0.815 |
| (95% CI 0.28–1.68) | ||||
OR odds ratio; MD mean difference; p p value; CI confidence interval