Characteristic | Patients without poor outcomesa n = 950; no. (%) | Patients with poor outcomesa n =442; no. (%) | Unadjusted odds ratio (95 % CI) | Adjusted odds ratiob (95 % CI) |
---|---|---|---|---|
Age* | ||||
≥75 years | 472 (50) | 191 (43) | 0.8 (0.6–0.9) | 0.7 (0.5–0.8) |
<75 years | 478 (50) | 251 (57) | Ref | |
Sex | --- | |||
Male | 452 (48) | 208 (47) | 1.0 (0.8–1.2) | |
Female | 498 (52) | 234 (53) | Ref | |
Race/Ethnicity | --- | |||
White, Non-Hispanic | 603 (64) | 297 (67) | 1.1 (0.8–1.4) | |
Otherc | 219 (23) | 100 (23) | Ref | |
Unknown | 128 (13) | 46 (10) | 0.8 (0.5–1.2) | |
Virus Type | --- | |||
Influenza A | 700 (74) | 237 (76) | 1.3 (1.0–1.7) | |
Influenza B | 216 (23) | 82 (19) | Ref | |
Unknown | 34 (4) | 23 (5) | 1.8 (1.0–3.2) | |
Nursing Home Resident* | 139 (15) | 89 (20) | 1.5 (1.1–2.0) | 1.6 (1.2–2.2) |
Underlying Conditions* | 784 (83) | 395 (90) | 1.8 (1.3–2.6) | --- |
Chronic Lung Disease* | 250 (26) | 167 (38) | 1.7 (1.3–2.2) | 1.6 (1.2–2.0) |
Cardiovascular Disease* | 413 (44) | 239 (54) | 1.5 (1.2–1.9) | 1.4 (1.1–1.8) |
Chronic Metabolic Disease* | 298 (31) | 183 (41) | 1.5 (1.2–1.9) | 1.3 (1.0–1.7) |
Renal Disease* | 123 (13) | 93 (21) | 1.8 (1.3–2.4) | 1.5 (1.1–2.0) |
Immunosuppression* | 109 (11) | 77 (17) | 1.6 (1.2–2.2) | 1.5 (1.1–2.1) |