Cumulative probability of developing cGVHD and its prevalence.

(A) Overall cumulative probability to develop cGVHD after HSCT in our study population and probability to develop the limited or the extensive form of the disease. (B) Overall prevalence of cGVHD and prevalence of the limited and extensive form of the disease. The prevalence function at time t was calculated using the following function: (number of patients with cGVHD at timet)/(number of patients alive and relapse-free at timet).