CASP1+8404 GG alleles were associated with a decreased incidence of fever in BM and MM patients (p  = 0.01, OR 0.3, 95% CI 0.1–0.8 and p  = 0.018 OR 0.3, 95% CI 0.1 – 0.9). The gene discussed is CASP1; the disease is Miyoshi myopathy.