Table 3 Risk classification 36 .... | American Society of Hematology

Table 3

Risk classification³⁶

	Good-risk	Poor-risk
Age at start of ITI	<8 y	≥8 y
Historical peak titer	<200 BU/mL	≥200 BU/mL
Inhibitor titer before start of ITI (pre-ITI titer)	<10 BU/mL	≥10 BU/mL
Time to titer decline to <10 BU/mL before ITI	<24 mo	≥24 mo

	Good-risk	Poor-risk
Age at start of ITI	<8 y	≥8 y
Historical peak titer	<200 BU/mL	≥200 BU/mL
Inhibitor titer before start of ITI (pre-ITI titer)	<10 BU/mL	≥10 BU/mL
Time to titer decline to <10 BU/mL before ITI	<24 mo	≥24 mo