Table 3 Microbiological diagnosis
Variable | All participants n = 320 | Survivors n = 257 | Non-survivors n = 63 |
|---|---|---|---|
Virus sampling | |||
Nasopharyngeal swab | 249 (77.8) | 203 (79.0) | 46 (73.0) |
Nasopharyngeal aspirate | 10 (3.1) | 7 (2.7) | 3 (4.8) |
Sputum | 14 (4.4) | 10 (3.9) | 4 (6.3) |
Bronchial aspirate | 31 (9.7) | 23 (8.9) | 8 (12.7) |
Influenza virus type and subtype identified in patients with at least one positive test | n = 196 | n = 155 | n = 41 | |
|---|---|---|---|---|
Virus Aa | 78 (39.8) | 59 (38.1) | 19 (46.3) | |
A/H3N2a | 10 (5.1) | 6 (3.9) | 4 (9.8) | |
A/H1N1pdma | 68 (34.7) | 53 (32.2) | 15 (36.6) | |
Virus Ba | 120 (61.2) | 96 (61.9) | 24 (58.6) | |