Response rate and RFS according to AIHA type. (A) Response rates in wAIHA and in all other forms (time cutoff, month +36). (B) RFS according to Cox regression model (timeline cutoff, month +60; n = 25). NR, no response; PR, partial response; wAIHA IgG, wAIHA direct antiglobulin test result positive for IgG only; wAIHA IgG+C, wAIHA direct antiglobulin test result positive for IgG and low-titer C.