Figure 6. Correlation between visual analog scale and Intubation Difficulty Scale values. The assigned IDS values are shown on the horizontal axis. Visual analog scale (x 100) is shown on the vertical axis. Each symbol represents the median of patients assigned to the IDS value, with 75th and 25th percentiles.

Figure 6. Correlation between visual analog scale and Intubation Difficulty Scale values. The assigned IDS values are shown on the horizontal axis. Visual analog scale (x 100) is shown on the vertical axis. Each symbol represents the median of patients assigned to the IDS value, with 75th and 25th percentiles.

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