TNF and obstructive sleep apnea syndrome: Compared with the OSAHS group, the OSAHS + CHD group had an obviously increased level of triglyceride (TG) (p < 0.05), and obviously increased levels of serum inflammatory factors C-reactive protein (CRP), tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), and interferon-γ (IFN-γ) (p < 0.05).