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Viral diagnosis by thresholds.
| Non-viral | Viral | Percent viral in band | |
|---|---|---|---|
| IMX-BVN-1 | |||
| Quartile 1 (lowest) | 20 | 0 | 0% |
| Quartile 2 | 23 | 1 | 4% |
| Quartile 3 | 23 | 3 | 12% |
| Quartile 4 (highest) | 13 | 10 | 43% |
| Procalcitonin (ng/ml) | |||
| <0.1 | 3 | 2 | 40% |
| 0.1–0.25 | 8 | 4 | 33% |
| 0.25–0.5 | 8 | 2 | 20% |
| >0.5 | 60 | 6 | 9% |
Numbers of patients split into predicted probability quartiles for IMX-BVN-1 and split per pre-set thresholds for PCT for microbiology-confirmed Stanford ICU cases that had both scores available (N = 93).
