Chlamydial infection among patients attending STD and genitourinary clinics in Taiwan

Kow-Tong Chen; Shou-Chien Chen; Chien-Chou Chiang; Lan-Hui Li; Li-Hui Tang
January 2007
BMC Public Health;2007, Vol. 7 Issue 1, p120
Academic Journal
Background: The main objective of this study is to examine the epidemiology of Chlamydia trachomatis (CT) infection amongst patients (473 men, 180 women) seen two hospitals in Taiwan. Methods: Between July 2004 and June 2005, a total of 653 patients provided first-void urine samples for examination of CT using PCR assay. Results: The overall prevalence of CT infection was 18.4% (95% confidence interval [CI] 17.3- 19.5). Prevalence for men and women were 16.7 % (95% CI 15.3-18.0%) and 22.8% (95% CI 17.5- 28.1%), respectively. Age group-specific prevalence was 25.7% (95% CI 22.5-28.9%) in < 20 year olds, 23.5% (95% CI 20.3-26.7%) in 20-24 year olds, 22.3% (95% CI 18.9-25.7%) in 25-30 year olds, and 11.5% (95% CI 10.3-12.7%) in > 30 year olds. Independent risk factors for chlamydial infection included younger age (aged ≤ 30 years) (adjusted odds ratio [AOR] = 2.44; 95% CI 1.52-3.84; p < 0.001), inconsistent condom use (AOR = 2.01; 95% CI 1.32-3.06; p < 0.001), being symptomatic (dysuria, urethral discharge) at the time of testing (AOR = 1.84; 95% CI 1.21-2.80; p < 0.001), and having N. gonorrhoeae infection (AOR = 3.82; 95% CI 2.20-6.58; p < 0.001). Conclusion: Genital chlamydial infection is an important sexually transmitted disease in Taiwan. Young Taiwanese persons attending a STD clinic should be screened for CT infection and counselled on condom use.


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