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. 2003 Jan;10(1):103–107. doi: 10.1128/CDLI.10.1.103-107.2003

FIG. 1.

FIG. 1.

(A) Distribution of antibody titers to OMP2 in 16 patients with trachoma (C. trachomatis serovars A to C), 12 patients with urethritis, 4 patients with sexually acquired reactive arthritis (C. trachomatis serovars D to K), and 4 patients with acute C. pneumoniae infection as measured by ELISA on the homologous protein. In all patients, acute infection with C. trachomatis or C. pneumoniae was proven by IDEIA, LCR, culture, or PCR, respectively. The cutoff was defined as the mean of negative control sera + 2 SD. (B) Distribution of antibody titers to OMP2 (C. trachomatis and C. pneumoniae OMP2), as measured by ELISA on the protein indicated, in 100 healthy blood donors (median age, ca. 30 years), 93 patients from The Gambia (median age, 20 years), and 100 patients with stable angina (median age, 68 years), who were otherwise healthy and had no recent history of myocardial infarction. The cutoff was defined as the mean of negative control sera + 2 SD.