Table 2.
Analysis of respiratory pathogen testing results on paired Nasopharyngeal aspirate (NPA) and lower respiratory tract samples (LRT).
| Results | No of samples (%) |
|---|---|
| Concordant results | 81 (79) |
| Concordant positive resultsa | 42 |
| Concordant negative results | 39 |
| Discordant results | 22 (21) |
| NPA > LRT | 8 |
| NPA + / LRT - | 4b |
| NPA ++ / LRT +- or --* | 4c |
| LRT > NPA | 14 |
| NPA - / LRT + | 7d |
| NPA +- / LRT ++* | 7e |
a
39 infections with one pathogen and 3 co-infections with 2 pathogens.
b
1 rhino/enterovirus, 1 adenovirus, and 2 parainfluenza viruses (1 and 3).
*
co-infection with 2 pathogens of which at least one was discordant between the 2 samples.
c
3 bocavirus type 1 and 1 co-infection with Mycoplasma pneumonia and parainfluenza virus 3.
d
1 Influenza A H1N1 pdm09 virus, 1 rhino/enterovirus, 1 adenovirus, and 4 Legionella pneumophila.
e
1 Influenza B virus, 1 coronavirus OC43 and 2 coronavirus 229E, 1 adenovirus, 1 bocavirus type 1, and 1 Legionella pneumophila.