Table 1 Demographics of immunosuppressed patients with influenza infections
Findings (n = 111) | |
|---|---|
Age, median years (range) | 51 (1–92) |
Male sex (%) | 55 (49.5) |
Cause of immunosuppression | |
Malignancies and chemotherapy (%) | 71 (64.0) |
Haematopoietic stem cell transplantation (%) | 26 (23.4) |
Autoimmune disorders and immunosuppressive therapy (%) | 10 (9.0) |
Chronic haemodialysis | 3 (2.7) |
Solid-organ transplantation (%) | 1 (0.9) |
Comorbidity | |
Diabetes (%) | 13 (11.7) |
Coronary heart disease (%) | 4 (3.6) |
Cardiac insufficiency (%) | 1 (0.9) |
Cerebrovascular disease (%) | 6 (5.4) |
Chronic nephropathy (%) | 12 (10.8) |
Chronic hepatopathy (%) | 3 (2.7) |
Chronic lung disease (%) | 5 (4.5) |
Smoking (%) | 21 (18.9) |
Rejection after HSCT in the preceding 3 months (%) | 18/26 (69.2) |
Antilymphocyte globulin in the preceding 6 months (%) | 2 (7.7) |
Interleukin-2 receptor antagonists in the preceding 6 months (%) | 9 (8.1) |
Monoclonal antibody in the preceding 6 months (%) | 3 (2.7) |
Use of corticosteroids in the preceding 3 months (%) | 30 (27.0) |
Seasonal influenza vaccination in the preceding 12 months (%) | 3 (2.7) |
Neuraminidase inhibitor use before admission (%) | 10 (9.0) |