Table 3 Verosimilarity ratio (VR) of different cut-off points of procalcitonin (PCT) concentration for the diagnosis of systemic infection in patients with febrile neutropenia.
| [PCT] ng/mL | With systemic infection (sensitivity) | Without systemic infection (1 - specificity) | Likelihood ratio* | (95% CI) |
|---|---|---|---|---|
| 0,245 |
26 100% |
18 69,2% | 1,44 | (Incalculable*) |
| 0,275 |
24 92,3% |
18 69,2% | 1,33 | (1,01 to 1,76) |
| 0,490 |
22 84,6% |
13 50,0% | 1,69 | (1,11 to 1,76) |
| 1,160 |
15 57,7% |
4 15,4% | 3,75 | (1,44 to 9,79) |
| 1,730 |
14 53,8% |
2 7,7% | 7,00 | (1,76 to 27,78) |
| 2,145 |
13 50,0% |
1 3,8% | 13,00 | (1,83 to 92,29) |
| 2,390 |
13 50,0% |
0 0% | (Incalculable*) | |
| TOTAL |
26 100,0% |
26 100,0% |