Figure 2From: Antibody levels to tetanus, diphtheria, measles and varicella in patients with primary immunodeficiency undergoing intravenous immunoglobulin therapy: a prospective studyCorrelation between pathogen-specific antibodies with total IgG levels. Measles: r = 0.210; p = 0.056. Varicella: r = 0.302; p = 0.005. Tetanus: r = 0.209; p = 0.057. Diphtheria: r = 0.377; p = 0.0004.Back to article page