Table S3 shows that the need for ventilation was more prevalent among those COVID-19 patients who were older, men, admitted to HUVN, flu vaccinated, had more previous medical visits last year, deceased, stayed at ICU, stayed longer, had higher BMI, cancer, diabetes, heart disease, hypertension, lung disease, and obesity, and showed dyspnoea, low SBP and oxygen saturation, elevated AST, bilirubin, CRP, CPK, D-dimer, GGT, LDH, urea, and neutrophilia. Here, CRP is linked to COVID-19.