TNF and alcoholic hepatitis: AH: alcoholic hepatitis; ALD: alcoholic liver disease; CSF: cerebrospinal fluid; hsCRP: high-sensitivity C-reactive protein; IFN: interferon; IL: interleukin; IQR: interquartile range; MCP: monocyte chemoattractant protein; sIL-2R: soluble IL-2 receptor; sTNF-R55: soluble tumor necrosis factor receptor 55; TGF: transforming growth factor; TNF: tumor necrosis factor; VEGF: vascular endothelial factor.