CRP and tuberculosis: RBC: red blood cell, Hct: hematocrit, MCV: mean corpuscular volume, TB: tuberculosis, PCR: polymerase chain reaction, HIV: human immunodeficiency virus, Ag/Ab: antigen/antibody, CMIA: chemiluminescent microparticle immunoassay, BUN: blood urea nitrogen, CRP: C-reactive protein, ANA: antinuclear antibody.