Table 3.

Serum IgG and IgA antibodies to meningococcal C PS before (day 0) and 1 month after (day 30) immunization with MC-conjugate or MACPS vaccine

GroupnGMC (95% CI), μg/ml
IgGIgA
Day 0Day 30Day 0Day 30
MC-conjugate330.43 (0.279, 0.682)30.07 (21.61, 41.83)0.26 (0.176, 0.39)3.49 (2.249, 5.429)
MACPS330.39 (0.26, 0.58)10.25 (6.44, 16.32)0.27 (0.20, 0.36)2.93 (2.00, 4.29)
Pa NS<0.001NSNS
  • a Comparison between the two vaccine groups by a two-tailed Student's t test.