Fig. 4: Correlation between viral load/tumor burden and cytokine levels with grade 3–4 CRS in COVID-19 group (n = 40) and CAR-T group (n = 41).

Pearson correlation and linear regression were used for statistical analysis. LDH lactate dehydrogenase.

Pearson correlation and linear regression were used for statistical analysis. LDH lactate dehydrogenase.