Table 2. Diagnostic capability of MRSA-specific peaks in spa complex VI and other complexes.
| Spa complex | MRSA-specific peaks | Phase 1 | Phase 2 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Methicillin susceptibility | SE (%) | SP (%) | PPV (%) | NPV (%) | Methicillin susceptibility | SE (%) | SP (%) | PPV (%) | NPV (%) | ||||
| Resistant | Susceptible | Resistant | Susceptible | ||||||||||
| VI | + | 27 | 0 | 100 | 100 | 100 | 100 | 21 | 0 | 100 | 100 | 100 | 100 |
| - | 0 | 31 | 0 | 14 | |||||||||
| Others | + | 0 | 0 | 0 | 100 | 0 | 69.6 | 0 | 0 | 0 | 100 | 0 | 42.1 |
| - | 7 | 16 | 33 | 24 | |||||||||
Abbreviations: MRSA, methicillin-resistant Staphylococcus aureus; SE, sensitivity; SP, specificity; PPV, positive-predictive value; NPV, negative-predictive value.