a decreasing trendP < 0.005
The age, smoking, as well as the levels of BMI, AHI, ODI, MAT, TSA90 and the prevalence of hypertension and COPD exhibited a decreasing trend with the elevated MSpO 2 , except for the levels of LSpO 2 and the prevalence of dyslipidemia, which showed an increasing trend (all P < 0.005).