Fig. 3
The influence of varying nasal cannula flow rate (QNC), inspiratory time (ti) and tidal volume (Vt) on the fraction of inspired oxygen (FiO2) is shown. Similar shapes for data points (circular, triangular, or square shape of points) indicate unique Vt, and similar line colors and patterns (solid, dashed-dotted, dotted, or dashed lines) indicate unique ti. Data points represent average values obtained across replicas, with error bars representing one standard deviation around the average. Data are presented for fully inserted nasal cannula prongs and the sinusoidal breathing pattern