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  2005

Epidemiologic 

Report

Summary of Sexually Transmitted Diseases in South Australia in 1998

Note: The full epidemiologic report of STD Statistics in South Australia in 1998
 is available for download in Adobe Acrobat (pdf) format.

In 1998 there were 1047 (71/100 000) cases of chlamydia, 255 (15/100 000) cases of gonorrhoea and 23 (1/100 000) cases of syphilis (see Summary statistics) detected in South Australia.

In 1998, 33 individuals were notified with HIV infection, 11 individuals were notified with AIDS and 17 individuals died of an AIDS defining illness (see Summary statistics).

During 1998, medical notifications of Hepatitis C infection included 71 incident cases. Hepatitis B medical notifications in 1998 included 16 acute cases (see Summary statistics).

South Australia Summary Statistics

Clinic 275

The most common infection diagnosed at Clinic 275 continues to be genital warts (19% male, 11% female) (Fig 1). Common conditions in males were NSU (3%), balanitis (4%), urethral irritation (5%) and chlamydia (3%) and in females candidiasis (11%), bacterial vaginosis (6%), chlamydia (3%) and genital herpes (3%) (Fig 1). A high proportion of clients attending Clinic 275 had no illness (45% male, 46% female) (Table 1). 

Overall there were 15286 clinic attendances in 1998 (see Clinic 275 summary statistics).

Contact Tracing at Clinic 275

Clinic 275 followed up 248 cases of chlamydial infection. Of these, contact tracing was effective in detecting 30 new cases in males and 31 in females, with a yield of 2.0 contacts per male index case and 2.1 contacts per female index case (Table 2). Of the 61 new cases detected, 8 individuals were examined within 2 days of being contacted (Table 3).

For gonorrhoea 4 new cases were detected in contacts of males examined while no cases were detected in contacts of females examined for gonorrhoea (Table 2). Ten males and two females had pre-existing disease.

Figures

Table 1 Summary of diagnoses made on clients attending Clinic 275 during 1998.
             Specific diagnoses by number of clients, episodes and sex.

* since an episode of care may result in multiple diagnoses, total diagnoses exceed total episodes.

Table 2:  Chlamydia and gonorrhoea contact tracing analysis - Clinic 275, 1998.
              Cases by sex.

Table 3.  New cases of chlamydial and gonococcal infection identified by Clinic 275, 1998.
              Days taken to examine contacts by sex.

Clinic 275

na: not applicable

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