Other variables associated with COVID-19 mortality include liver cirrhosis (HR: 3.422; 95% CI: 1.208–9.691; p value: 0.021), sex (HR: 1.738; 95% CI: 1.187–2.545; p value: 0.004), age (HR: 2.139; 95% CI: 1.279–3.577; p value: 0.004), leukocyte (HR: 11.502; 95% CI: 1.523–86.874; p value: 0.018), NLR (HR: 1.720; 95% CI: 1.049–2.819; p value: 0.032), CRP (HR: 1.906; 95% CI: 1.092–3.329; p value: 0.023), procalcitonin (HR: 3.281; 95% CI: 1.780–6.049; p value: 0.001), and creatinine (HR: 1.863; 95% CI: 1.240–2.800; p value: 0.003). This evidence concerns the gene CRP and COVID-19.