Table 2.

Anti-meningococcal C PS-specific salivary IgA1 and IgA2 antibody concentrations in adolescents before and 1 month after immunization with the conjugate or PS vaccinea

GroupnGMC (95% CI), U/ml
IgA1IgA2
BeforeAfterBeforeAfter
MC-conjugate242.84 (1.81, 4.46)4.81 (2.83, 7.62)4.65 (2.83, 7.62)14.06 (7.86, 25.12)
MACPS242.33 (1.45, 3.75)8.98 (5.01, 16.09)3.81 (2.24, 6.48)20.95 (8.90, 49.33)
  • a Comparison between the two vaccine groups by a two-tailed Student's t test showed no significant differences.