Table 3.

Percentages of individuals with serum antibodies to recombinant or synthetic Chlamydia antigens as determined by ELISA

Antigen (source)Serum antibody response% of patients with acute C. trachomatis urogenital infection (n = 45)% of healthy blood donors (n = 31)aStatistical analysis (chi-square test) between both groupsb
LPS (Medac)IgG84529.62;  P = 0.0019
IgM93NS
IgA622311.61;  P = 0.0007
MOMP (Labsystems)IgG58324.80;  P = 0.029
IgA47167.61;  P = 0.0058
Recombinant proteins prepared in our laboratory
 hsp70IgG2917NS
IgA20NS
 hsp60IgG622013.64;  P = 0.0002
IgA2413NS
 pgp3IgG53208.87;  P = 0.0029
IgA93NS
 MIPIgG207NS
IgA00NS
 hsp10IgG23NS
IgA20NS
  • a Only 30 healthy blood donors were tested for serum antibodies to recombinant proteins.

  • b NS, not significant.