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Ideal characteristics of host response-based testing for common infectionsa
| Clinical scenario | Determine bacterial vs viral | Colonization vs disease | Need to discriminate non-infectious causes | Prognosis and response to therapy |
|---|---|---|---|---|
| Sepsis | ↑↑ | ↑ | ↑↑↑ | ↑↑↑ |
| Respiratory tract infection | ↑↑↑ | ↑↑ | ↑↑↑ | ↑↑ |
| Urinary tract infection | ↑ | ↑↑↑ | ↑ | ↑ |
Crucial: ↑↑↑; Important: ↑↑; Less important: ↑.
