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  Indian J Med Microbiol
 

Figure 2: SpO2-versus-time data for patients analyzed from the VISION data (Botto et al., 2014). Note: Time series of SpO2 (green lines) for a stratified random sample of patients (i.e., two from each hypoxia classes: no hypoxia, hypoxia < 1 hour, hypoxia 1-2 hours, hypoxia 2-4 hours, hypoxia 4-12 hours, and hypoxia >12 hours). Curves representing kernel smooth estimates of each time series – by which the duration of hypoxia outcomes are defined – are overlaid (black lines). SpO2: Saturation of peripheral oxygen.

Figure 2: SpO<sub>2</sub>-versus-time data for patients analyzed from the VISION data (Botto et al., 2014).
Note: Time series of SpO<sub>2</sub> (green lines) for a stratified random sample of patients (<i>i.e</i>., two from each hypoxia classes: no hypoxia, hypoxia < 1 hour, hypoxia 1-2 hours, hypoxia 2-4 hours, hypoxia 4-12 hours, and hypoxia >12 hours). Curves representing kernel smooth estimates of each time series – by which the duration of hypoxia outcomes are defined – are overlaid (black lines). SpO<sub>2</sub>: Saturation of peripheral oxygen.