Figure 1.
Response of FVIII levels after start of emicizumab therapy. Kaplan-Meier analysis of time to FVIII activity above 5% (blue), 10% (green), or 50% (yellow); n = 12. (A) Chromogenic FVIII assay with human reagents. (B) Chromogenic FVIII assay with bovine reagents. x-axis, Days after first dose of emicizumab. y-axis, Proportion of patients with FVIII levels above threshold.