Fig. 1: Probability of progression over time in the full study cohort (n = 1996).
From: International Myeloma Working Group risk stratification model for smoldering multiple myeloma (SMM)

The median time to progression for the entire cohort was 6.4 years (95% CI 6.0–7.2); the 2-, 5-, and 10-year risk of progression were 22, 42, and 64%, respectively.