In OSA and NAFLD group, hs-CRP levels significantly correlating with BMI (r = 0.6059, p = 0.002), fat mass (r = 0.5949, p = 0.05), % body fat (r = 0.5831, p = 0.04) and IL-6 (r = 0.6071, p = 0.005) levels. This evidence concerns the gene CRP and obstructive sleep apnea syndrome.