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. 2022 Jan 29;50(3):699–707. doi: 10.1007/s15010-021-01743-1

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