LGALS9 and Miyoshi myopathy: The cutoff value for Gal-9 to distinguish between MM patients and healthy individuals was 3304 pg/mL, with a sensitivity of 89.4%, specificity of 90.3%, positive predictive value (PPV) of 93.3%, negative predictive value (NPV) of 84.8%, and an AUC of 0.931 (95% CI: 0.875–0.988), p < 0.001.