Although severity of CHD was not associated with the STAT category in the overall cohort, in the sub-analysis of the STANDARD, group both variables were associated with each other (r = 0.75), and STAT categories were independent influential variables for prolonged PCICU LOS in the univariate linear regression analysis in both the overall cohort and in the STANDARD group (b = 18.3 respectively b = 32.3). The gene discussed is SOAT1; the disease is coronary artery disorder.