Figure 1.
Kaplan-Meier estimates of the cumulative probability of clinical progression and mechanical ventilation or death by treatment group. Overall, overall cohort; Pneumonia, subgroup with pneumonia, Group A, treatment group without corticosteroids; Group B, treatment group with adjunctive corticosteroids. Clinical progression, progression to requiring supplemental oxygen in Stage 1 and 2, or progression to invasive MV in any stage.