| Severity grading |
Neutrophil count reduction |
Thrombocytopenia |
Anemia |
| Grade I |
1.5×109/L to lower limit of normal |
75×109/L to lower limit of normal |
Hemoglobin 100 g/L to lower limit of normal |
| Class II |
1.0×109 to 1.5×109/L |
50×109 to 75×109/L |
Hemoglobin 80 to 100 g/L |
| Grade III |
0.5×109 to 1.0×109/L |
25×109 to 50×109/L |
Hemoglobin<80 g/L |
| Grade IV |
<0.5×109/L |
<25×109/L |
Life-threatening, requiring urgent treatment |
| Grade V |
|
|
Death |