Table 2.
Concordance of BioFire PN With Sputum Culture According to Use of Antibiotics in Good Quality Sputum Samples
| Antibiotics | ||||
|---|---|---|---|---|
| Total (n = 203) | No (n = 85) | Yes (n = 118) | P Value | |
| A: Concordance of culture to BioFire PN | ||||
| Partially concordant | 43 (21) | 25 (29) | 18 (15) | .02 |
| Fully concordant | 75 (37) | 37 (44) | 38 (32) | .11 |
| Partially or fully concordant | 119 (59) | 62 (73) | 56 (47) | .0003 |
| Discordant | 85 (42) | 23 (27) | 62 (53) | .0003 |
| B: Culture | ||||
| Monomicrobial | 82 (40) | 48 (57) | 34 (29) | .0001 |
| Polymicrobial | 10 (5) | 5 (6) | 5 (4) | .74 |
| No growth/normal flora | 111 (55) | 32 (38) | 79 (67) | .0001 |
| C: BioFire PN | ||||
| Monomicrobial | 91 (45) | 33 (39) | 58 (49) | .16 |
| Polymicrobial | 64 (32) | 31 (37) | 33 (28) | .22 |
| No growth/normal flora | 48 (23) | 21 (25) | 27 (23) | .87 |
Data are presented as No. (%).
Abbreviation: BioFire PN, BioFire FilmArray Pneumonia Panel.