Table 6.

Best results obtained for the different anti-Chlamydia antibody assays

AssaySensitivity (%)Specificity (%)Predictive value (+) (%)Predictive value (−) (%)False-positive rate (%)False-negative rate (%)
IgG anti-C. trachomatis (blot) (≥10 bands)a798469901621
IgM anti-C. trachomatis (blot) (≥2 bands)a50947881650
IgA anti-C. trachomatis (blot) (≥6 bands)a718771871329
IgG anti-C. trachomatis (blot) (≥10 bands) +
IgM anti-C. trachomatis (blot) (≥2 bands)a868167931914
IgA anti-C. trachomatis (blot) (≥6 bands) +
IgM anti-C. trachomatis (blot) (≥2 bands)a798165891921
IgG anti-LPSb844870685216
IgG anti-MOMPb586872533242
IgG anti-hsp60c628082592038
IgG anti-pgp3c538080532047
IgG anti-MOMP + pgp3c716776613329
IgG anti-hsp60 + pgp3c767783682324
IgG anti-C. trachomatis (MIF test)d448985551156
  • a Positive patients were 14 patients withC. trachomatis urogenital infection, and negative individuals were 31 healthy blood donors.

  • b Positive patients were 45 patients withC. trachomatis urogenital infection, and negative individuals were 31 healthy blood donors.

  • c Positive patients were 45 patients withC. trachomatis urogenital infection, and negative individuals were 30 healthy blood donors.

  • d Positive patients were 25 patients withC. trachomatis urogenital infection, and negative individuals were 19 healthy blood donors.