Cohort spread
0.51.0 threshold4.0 ×10⁹/L
Below 1.02
Paired signal
Appendix 5 defines febrile neutropenia on two limbs — a single 38.3 °C or 38.0 °C sustained over an hour, and a count below 1.0 ×10⁹/L. Values are shown as measured; no grade is assigned here.