Figure 3.

Measurement of the hospitalization length. The length of hospitalization was measured and averaged for each subgroup of disease stage when the drug was administered (a) and by total dose received (b) only for surviving patients. The gray bars represent the severely-ill patients whereas the white bars represent the moderately-ill patients. ST standard treatment, Tcz tocilizumab, VS viral stage, EIS early inflammatory stage, LIS late inflammatory stage. Length of hospitalization is expressed as a mean and significant differences was measured by a Student’s t-test, and considered as such when p ≤ 0.05.