A meta-analysis by Bloomfield et al., (2012) [16] and Chakra et al., (2012) [10] also conclude that serum albumin and WCC levels are important mortality risk factors in patients with CDI, whilst presence of fever, haemoglobin/haematocrit level, diarrhoea severity, presence of renal disease, diabetes, cancer, or nasogastric tube use did not appear to be associated with mortality. The gene discussed is ALB; the disease is clostridium difficile infection.