Table 2 Accuracy of TriVerity Bacterial score for the diagnosis of bacterial and viral infections
(a) | |||||||
|---|---|---|---|---|---|---|---|
TriVerity Bacterial band (score) | Clinically adjudicated bacterial infection1 | Sensitivity (%) | Specificity (%) | Likelihood ratio (80% CI) | Relative requency of result (% in band) | Probability of bacterial infection (%) | |
Yes (N) | No (N) | ||||||
Very High (40–50) | 165 | 12 | 35.9 | 95.5 | 8.04 (5.66–12.43) | 24.3 | 93.2 |
High (30–39) | 107 | 25 | 23.3 | 90.7 | 2.50 (1.97–3.31) | 18.1 | 81.1 |
Moderate (21–29) | 90 | 46 | 19.6 | 82.9 | 1.14 (0.94–1.42) | 18.7 | 66.2 |
Low (11–20) | 85 | 92 | 81.5 | 34.2 | 0.54 (0.45–0.63) | 24.3 | 48 |
Very Low (0-10) | 13 | 94 | 97.2 | 34.9 | 0.08 (0.05–0.11) | 14.7 | 12.1 |
(b) | |||||||
|---|---|---|---|---|---|---|---|
TriVerity Viral band (score) | Clinically adjudicated viral infection1 | Sensitivity (%) | Specificity (%) | Likelihood ratio (80% CI) | Relative frequency of result (% in band) | Probability of viral infection (%) | |
Yes (N) | No (N) | ||||||
Very High (40–50) | 105 | 8 | 59.3 | 98.6 | 40.93 (27.73–72.16) | 15.5 | 92.9 |
High (30–39) | 25 | 33 | 14.1 | 94.0 | 2.36 (1.68–3.25) | 8 | 43.1 |
Moderate 21–29) | 22 | 79 | 12.4 | 85.7 | 0.87 (0.64–1.13) | 13.9 | 21.8 |
Low (11–20) | 17 | 166 | 90.4 | 30.1 | 0.32 (0.22–0.41) | 25.1 | 9.3 |
Very Low (0–10) | 8 | 266 | 95.5 | 48.2 | 0.09 (0.05–0.14) | 37.6 | 2.9 |
