Historical and clinical factors associated with Chlamydia trachomatis genitourinary infection in female adolescents

Five hundred sixty-eight adolescent female patients receiving routine gynecologic care at urban clinics were screened by culture for Chlamydia trachomatis infection at both the urethra and endocervix. Culture results for 562 were available from either or both sites. Positive cultures were obtained from 139 (25%). Urethral infection was not associated with either urinary tract symptoms or sterile pyuria, but urethral or endocervical infection was associated with cervical friability (P=