Table 2.
Numbers and percentages for respiratory viruses identified among cases of influenza‐like illness (ILI) and severe acute respiratory infection (SARI) by age category, Thailand, 2010‐2014
| Viral respiratory pathogen | ILI | SARI | ||||
|---|---|---|---|---|---|---|
| <15 years (N = 5069) | ≥15 years (N = 3037) | P * | <15 years (N = 1404) | ≥15 years (N = 350) | P * | |
| n (%) | n (%) | n (%) | n (%) | |||
| Influenza viruses | 1173 (23) | 975 (32) | <.0001 | 157 (11) | 58 (17) | .006 |
| Respiratory syncytial virus | 447 (9) | 40 (1) | <.0001 | 196 (14) | 10 (3) | <.001 |
| Adenoviruses | 430 (8) | 56 (2) | <.0001 | 90 (6) | 8 (2) | .0026 |
| Metapneumovirus | 245 (5) | 45 (1) | <.0001 | 68 (5) | 12 (3) | .26 |
| Parainfluenza virus ‐ 1 | 155 (3) | 19 (0.6) | <.0001 | 27 (2) | 3 (0.9) | .17 |
| Parainfluenza virus ‐ 2 | 59 (1) | 18 (0.6) | .01 | 14 (1) | 0 (0) | |
| Parainfluenza virus ‐ 3 | 127 (3) | 44 (1) | .001 | 42 (3) | 3 (0.9) | .02 |
| Mixed infections | 141 (3) | 19 (0.6) | <.0001 | 25 (2) | 4 (1) | .40 |
| Any virus infection | 2492 (49) | 1184 (39) | <.0001 | 569 (41) | 90 (26) | <.0001 |
ILI, influenza‐like illness; SARI, severe acute respiratory infection.
*The P value was calculated using the chi‐square distribution to compare the number of cases of different respiratory viruses within each case definition by age category. The P value was not calculated if there was a cell with zero cases.