Influenza type/subtype | Comparison of seasons | ||||||
---|---|---|---|---|---|---|---|
A(H1N1)pdm09c | |||||||
Underlying medical conditions | All patients | A | A(H1N1)pdm09 | A(H3N2) | A (subtype n.a.) | B | S1 vs S3 |
N = 47 | N = 40 | N = 32 | N = 4 | N = 4 | N = 7 | p-value* | |
At least one medical condition; n (%) | 36 (76.6) | 32 (80.0) | 24 (75.0) | 4 (100.0) | 4 (100.0) | 4 (57.1) | 0.667 |
Selected conditions | |||||||
- Neurological disease; n (%) | 16 (34.0) | 14 (35.0) | 13 (40.6) | 1 (25.0) | 0 (0.0) | 2 (28.6) | 1.000 |
- Chronic lung diseaseb; n (%) | 12 (25.5) | 12 (30.0) | 11 (34.4) | 0 (0.0) | 1 (25.0) | 0 (0.0) | 1.000 |
- Pre-term birth; n (%) | 10 (21.3) | 9 (22.5) | 8 (25.0) | 1 (25.0) | 0 (0.0) | 1 (14.3) | 0.210 |
- Cardiac malformation; n (%) | 8 (17.0) | 8 (20.0) | 3 (9.4) | 3 (75.0) | 2 (50.0) | 0 (0.0) | 0.558 |
- Obesity; n (%) | 5 (10.6) | 5 (12.5) | 3 (9.4) | 0 (0.0) | 2 (50.0) | 0 (0.0) | 0.245 |
- Genetic disorder; n (%) | 4 (8.5) | 3 (7.5) | 3 (9.4) | 0 (0.0) | 0 (0.0) | 1 (14.3) | 0.558 |
- Immunocompromised; n (%) | 4 (8.5) | 2 (5.0) | 0 (0.0) | 1 (25.0) | 1 (25.0) | 2 (28.6) | n.a. |
- Renal disease; n (%) | 1 (2.1) | 1 (2.5) | 1 (3.1) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0.419 |
- Other underlying conditions; n (%) | 9 (19.1) | 8 (20.0) | 5 (15.6) | 2 (50.0) | 1 (25.0) | 1 (14.3) | 0.134 |