Table 3. Agreement analysis between multiplex PCR and culture in detecting MSSA, MRSA, S. pyogenes and P. aeruginosa obtained from clinical samples.
| Pathogen identified | No. of resultsa | OPA (%) (95% CI) | |||
|---|---|---|---|---|---|
| C+/M− | C−/M+ | C+/M+ | C−/M− | ||
| MSSA | 0 | 0 | 3 | 38 | 100 (100–100) |
| MRSA | 0 | 0 | 9 | 32 | 100(100–100) |
| S. pyogenes | 0 | 5 | 0 | 36 | 87.8 (77.8–97.8) |
| P. aeruginosa | 0 | 0 | 1 | 40 | 100 (100–100) |
| Total | 0 | 5 | 13 | 23 | 87.8 (77.8–97.8) |
aC, culture; M, multiplex PCR. OPA, overall percentage of agreement; +: positive result; −: negative result. PCR, polymerase chain reaction; CI, confident interval; MSSA, methicillin sensitive Staphylococcus aureus; MRSA, methicillin resistant Staphylococcus aureus.