Analysis on results of syphilis serological test of 4 162 serum specimens in STD clinics

Objective To investigate the syphilitic infection condition of outpatients in sexually transmitted diseases (STD) clinics in recent years. Methods A total of 4 162 cases of serum specimen from outpatients of STD clinics were detected by two kinds of serologic syphilitic leptospira test[rapid plasma regain circle card test (RPR) and microhemagglutination assay for antibody to Treponema pallidum (TPPA)]simultaneously. Results Among the 4 126 serum specimens, there were 1 591 cases of syphilis positive sample, and positive rate was 38.23% (1 591/4 162); and there were 2 661 cases had high-risk sexually behavior, which accounted for 63.94% (2 661/4 162) of all selected patients and had syphilis positive rate of 49.79% (1 325/2 661); syphilis infection had correlation with high-risk sexually behavior (χ2=5.047, P 0.05). Conclusions High-risk sexually behavior is the important factor of syphilis infection. All kinds of people should be strengthened the knowledge of syphilis prevention and control to reduce the incidence of syphilis. Key words: Outpatient; Syphilis; Positive rate; Serological test