Table 2.
The concordance of bacteria between the Pneumonia panel and cultural methods
| Tag | CM + PN + | CM + PN- | CM − PN + | CM − PN − | PPA (95%CI) | NPA (95%CI) |
|---|---|---|---|---|---|---|
| A. baumannii complex | 19 | 4 | 24 | 140 | 0.83 (0.63–0.93) | 0.85 (0.79–0.9) |
| E. cloacae | 0 | 0 | 8 | 179 | NA | 0.96 (0.92–0.98) |
| E. coli | 4 | 1 | 13 | 169 | 0.8 (0.38–0.96) | 0.93 (0.88–0.96) |
| H. influenzae | 1 | 0 | 20 | 166 | 1 (0.21–1) | 0.89 (0.84–0.93) |
| K. aerogenes | 0 | 0 | 1 | 186 | NA | 0.99 (0.97–1) |
| K. pneumoniae | 11 | 4 | 26 | 146 | 0.73 (0.48–0.89) | 0.85 (0.79–0.89) |
| M. catarrhalis | 0 | 0 | 4 | 183 | NA | 0.98 (0.95–0.99) |
| Proteus spp. | 0 | 0 | 4 | 183 | NA | 0.98 (0.95–0.99) |
| P. aeruginosa | 9 | 0 | 29 | 149 | 1 (0.7–1) | 0.84 (0.78–0.88) |
| S. marcescens | 3 | 0 | 6 | 178 | 1 (0.44–1) | 0.97 (0.93–0.98) |
| S. aureus | 4 | 0 | 32 | 151 | 1 (0.51–1) | 0.83 (0.76–0.87) |
| S. agalactiae | 0 | 0 | 1 | 186 | NA | 0.99 (0.97–1) |
| S. pneumoniae | 0 | 0 | 14 | 173 | NA | 0.93 (0.88–0.95) |
| Total | 51 | 9 | 182 | 2189 | 0.85 (0.74–0.92) | 0.92 (0.91–0.93) |
Data are presented as n
CM cultural method; PN panel Pneumonia panel; PPA positive percent agreement; NPA negative percent agreement; CI confidence interval; NA the clinical features were not suitable for the control group