Table 3.
Performance of FilmArray RP for detection of 15 respiratory pathogens based on real-time PCR CT values
| Organism | No. positive (%) by FilmArray RP for different ranges of real-time PCR CT values |
||||||
|---|---|---|---|---|---|---|---|
| <20 | 20.00–24.99 | 25.00–29.99 | 30.00–34.99 | 35.00–39.99 | 40.00–44.99 | All | |
| Adenovirus | 1/1 (100) | 4/5 (80) | 2/4 (50) | 2/7 (29) | 2/6 (33) | 0/1 (0) | 11/24 (46) |
| Respiratory syncytial virus A | 2/2 (100) | 5/5 (100) | 4/4 (100) | 3/3 (100) | 2/3 (67) | NAa | 16/17 (94) |
| Respiratory syncytial virus B | 1/1 (100) | 4/4 (100) | 5/5 (100) | 4/4 (100) | 3/3 (100) | 1/2 (50) | 18/19 (95) |
| Influenza A virus H1 | 1/1 (100) | 5/5 (100) | 4/4 (100) | 4/4 (100) | 3/3 (100) | NA | 17/17 (100) |
| Influenza A virus H3 | 1/1 (100) | 5/5 (100) | 4/4 (100) | 4/4 (100) | 1/2 (50) | 0/1 (0) | 15/17 (88) |
| Influenza A virus 2009 H1 | 1/1 (100) | 5/5 (100) | 4/4 (100) | 4/4 (100) | 2/3 (67) | NA | 16/17 (94) |
| Influenza B virus | 2/2 (100) | 4/4 (100) | 5/5 (100) | 3/3 (100) | 1/3 (33) | NA | 15/17 (88) |
| Parainfluenza virus type 1 | 1/1 (100) | 5/5 (100) | 4/4 (100) | 4/4 (100) | 2/3 (67) | NA | 16/17 (94) |
| Parainfluenza virus type 2 | NA | 4/4 (100) | 5/5 (100) | 4/4 (100) | 2/4 (50) | NA | 15/17 (88) |
| Parainfluenza virus type 3 | 2/2 (100) | 6/6 (100) | 4/4 (100) | 3/3 (100) | 1/2 (50) | NA | 16/17 (94) |
| Metapneumovirus | 1/1 (100) | 7/7 (100) | 4/4 (100) | 2/3 (67) | 2/2 (100) | 0/3 (0) | 16/20 (80) |
| Rhinovirus | 2/2 (100) | 8/8 (100) | 7/7 (100) | 6/6 (100) | 2/2 (100) | 5/5 (100) | 30/30 (100) |
| Bocavirus | 2/2 (100) | 2/2 (100) | 3/3 (100) | 3/3 (100) | 4/4 (100) | 3/3 (100) | 17/17 (100) |
| B. pertussis | 6/6 (100) | 2/2 (100) | 1/1 (100) | NA | NA | NA | 9/9 (100) |
| M. pneumoniae | NA | 3/3 (100) | 4/4 (100) | 2/2 (100) | NA | NA | 9/9 (100) |
| Total | 23/23 (100) | 69/70 (99) | 60/62 (97) | 48/54 (89) | 27/40 (68) | 9/15 (60) | 236/264 (89) |
a
NA, specimens not available at this concentration of organism.