Figure 1
From: Cost-effectiveness of a hypothetical cell or gene therapy cure for sickle cell disease

Markov model for lifetime management of SCD. Death (not pictured) can occur from any state. Abbreviations: SCD sickle cell disease, mild mild disease (zero crises per year), mod moderate disease (< 2 crises per year), sev severe disease (≥ 2 crises per year).