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. 2017 Jul 8;8(45):79693–79702. doi: 10.18632/oncotarget.19113

Figure 2. Prevalence of EDS and ESS score in different OSA categories.

Figure 2

A. The prevalence of EDS increased as the severity of OSA increased (p for trend <0.01). B. The ESS score increased as the severity of OSA increased (p for trend < 0.01). The linear-by-linear association test was used for dichotomous variables and the polynomial linear trend test was used for continuous variables.