Plasma levels of lymphotoxin-like inducible protein that competes with glycoprotein D for herpesvirus entry on T cells (LIGHT), monocyte chemoattractant protein (MCP)-2, -3 and -4, macrophage-derived cytokine (MDC), myeloid progenitor inhibitory factor-1 (MPIF-1) in healthy, patients with stable COPD (sCOPD) and AECOPD patients on days 1, 3 and 7–10. * and ** stand for P values less than 0.05 and 0.01, respectively, as compared with healthy control. † and †† stand for P values less than 0.05 and 0.01, respectively, as compared with sCOPD patients.