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% |