Table 1 Demographic features and pre-existing conditions of the study population.
Demographic characteristics | |
|---|---|
Age (years) | |
Median | 4.15 |
Range | 0.8-7.5 |
Age groups (years): N° of patients (%) | |
<2 | 73 (37) |
2-5 | 42 (21) |
5-18 | 85 (42) |
Male sex, N° (%) | 114 (57) |
Race, N° (%) | |
Caucasian | 156 (78) |
African | 29 (14.5) |
Asian | 8 (4) |
Others | 7 (3.5) |
Pre-existing conditions, N°. (%) | 79/200 (40) |
Type of pre-existing conditions N° | |
Chronic lung disease | 11/79 (14) |
Asthma | 10/79 (13) |
Hemoglobinopathy | 11/79 (14) |
Heart disease | 7/79 (9) |
Neurological disease | 22/79 (28) |
Cancer | 5/79 (6) |
Immunosuppression | 5/79 (6) |
Other | 8/79 (10) |
Vaccination status | |
H1N1 vaccine, N° (%) | 3 (2) |
Seasonal influenza vaccine, N° (%) | 7 (4) |