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  Indian J Med Microbiol
 

Figure 1 Diagram of inclusion and exclusion of the study population. ABG, arterial blood gas; Hb, hemoglobin; FiO2, fraction of inspired oxygen; PaO2, partial pressure of oxygen in arterial blood; SaO2, oxygen saturation.

Figure 1 Diagram of inclusion and exclusion of the study population. ABG, arterial blood gas; Hb, hemoglobin; FiO<sub>2</sub>, fraction of inspired oxygen; PaO<sub>2</sub>, partial pressure of oxygen in arterial blood; SaO<sub>2</sub>, oxygen saturation.