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. 2023 Oct 24;23:773. doi: 10.1186/s12888-023-05286-7

Fig. 3.

Fig. 3

Nonlinear relationship between sleep duration and leukocyte inflammatory markers by restricted cubic spline fitting. A sleep duration and systemic immune-inflammation index; (B) sleep duration and platelet-to-lymphocyte ratio; (C) sleep duration and neutrophil-to-lymphocyte ratio. Adjusted for age, sex, race, education level, PIR, BMI, smoking status, alcohol consumption status, recreational activities, hypertension, diabetes, CVD and taking immunosuppressants