Influenza negative N = 52 (61.9%) | Influenza positive N = 32 (38.1%) | p-value | ||
---|---|---|---|---|
Sex | Female | 30 (35.7) | 16 (19.0) | 0.49a |
Age, median (1st ; 3rd quartile) | 72.5 (62.5; 82.8) | 66 (43.5; 80.5) | 0.15c | |
Age ≥ 65 y. o. | 36 (42.9) | 17 (20.2) | 0.14a | |
SIV in the current season | 12 (14.3) | 4 (4.8) | 0.23a | |
Current smoker | 11 (13.1) | 5 (6.0) | 0.53a | |
At least one underlying medical condition: | 49 (58.3) | 28 (33.3) | 0.42b | |
Heart diseases | 37 (44.1) | 14 (16.7) | 0.01a | |
Diabetes | 11 (13.1) | 5 (6.0) | 0.53a | |
Cancer | 12 (14.3) | 6 (7.1) | 0.64a | |
Hematologic cancer | 1 (1.2) | 2 (2.4) | 0.56b | |
Lung diseases | 12 (14.3) | 4 (4.8) | 0.23a | |
Renal diseases | 10 (11.9) | 3 (3.6) | 0.35b | |
Dementia | 6 (7.1) | 1 (1.2) | 0.24b | |
Cirrhosis | 2 (2.4) | 0 (0.0) | 0.52b | |
Anemia | 6 (7.1) | 1 (1.2) | 0.24b | |
Immunodeficiency and solid organ recipients | 2 (2.4) | 4 (4.8) | 0.20b | |
Obesity (BMI ≥ 30) | 16 (19.3) | 8 (9.5) | 0.57a |