Risk-adapted Therapeutic Strategy in +1q NDMM

This system classifies +1q NDMM patients into low, intermediate, and high-risk groups based on coexisting ISS stage III, hypercalcemia, high LDH, and t(14;16).Patients with ISS stage III, elevated LDH, hypercalcemia, and t(14;16) were assigned scores of 1 point, 1 point, 2 points, and 3 points, respectively. According to the tertiles of their scores,the patients with +1q were classified into low- (0 point),intermediate- (1-3 points), and high-risk (4-7 points) groups.