Patients with ICUAW were found to have a higher proportion of sepsis (61.8% vs. 11.9%, p < 0.001) and lower levels of albumin at ICU admission (23.7 ± 3.2 g/L vs. 30.0 ± 4.2 g/L, p < 0.001) than those without ICUAW. The gene discussed is ALB; the disease is Sepsis.