Kikuchi et al. [35] showed a relationship with higher 30-day mortality in patients with a higher leukocyte count, higher urea, creatinine and lowered albumin concentrations in patients with CDI treated in the department of internal medicine at Shirikaba-Dai Hospital in Sapporo in Japan between 2010 and 2018. The gene discussed is ALB; the disease is clostridium difficile infection.