Adverse event | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 5 |
Cytokine release syndrome | Fever with or without constitutional symptoms | Hypotension responding to fluids; hypoxia responding to <40% O2 | Hypotension managed with one pressor; hypoxia requiring ≥40% O2 | Life-threatening consequences; urgent intervention indicated | Death |