From: Prospective cohort study of procalcitonin levels in children with cancer presenting with febrile neutropenia
Procalcitonin level
Severe infection (number)
Non-severe infection (number)
PCT LR [95% CI]
High (>2 ng/dL)
6
1
26 [3.56, 190]
Intermediate (0.5–2 ng/dL)
11
0.394 [0.058, 2.67]
Low (<0.5 ng/dL)
2
27
0.321 [0.093, 1.11]