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. 2022 Jun 7:M22-0729. doi: 10.7326/M22-0729

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Figure 2. Respiratory interventions through day 29 in the MITT population (top) and the hospitalized MITT population (bottom). Error bars represent 95% CIs. Each participant was counted only once according to the highest level of O2 therapy needed. Respiratory interventions included conventional O2, HF heated and humidified device, noninvasive MV, and invasive MV. HF = high-flow; MITT = modified intention-to-treat; MV = mechanical ventilation; O2 = oxygen. — Error bars represent 95% CIs. Each participant was counted only once according to the highest level of O₂ therapy needed. Respiratory interventions included conventional O₂, HF heated and humidified device, noninvasive MV, and invasive MV. HF = high-flow; MITT = modified intention-to-treat; MV = mechanical ventilation; O₂= oxygen.