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Type: Journal article
Title: High chlamydia and gonorrhoea repeat positivity in remote Aboriginal communities 2009-2011: longitudinal analysis of testing for re-infection at 3 months suggests the need for more frequent screening
Author: Garton, L.
Dyda, A.
Guy, R.
Silver, B.
McGregor, S.
Hengel, B.
Rumbold, A.
Taylor-Thomson, D.
Knox, J.
Maher, L.
Kaldor, J.
Ward, J.
Citation: Sexual Health, 2016; 13(6):568-574
Publisher: CSIRO Publishing
Issue Date: 2016
ISSN: 1448-5028
Statement of
Linda Garton, Amalie Dyda, Rebecca Guy, Bronwyn Silver, Skye McGregor, Belinda Hengel, Alice Rumbold, Debbie Taylor-Thomson, Janet Knox
Abstract: Background: Extremely high rates of diagnosis of Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (NG) have been recorded in remote communities across northern and central Australia. Re-testing at 3 months, after treatment administered, of CT or NG is recommended to detect repeat infections and prevent morbidity and ongoing transmission. Methods: Baseline CT and NG laboratory data (2009–2010) from 65 remote health services participating in a cluster randomised trial was used to calculate the proportion of individuals re-tested after an initial CT or NG diagnosis at <2 months (not recommended), 2–4 months (recommended) and 5–12 months and the proportion with repeat positivity on re-test. To assess if there were difference in re-testing and repeat positivity by age group and sex, t-tests were used. Results: There was a total of 2054 people diagnosed with CT and/or NG in the study period; 14.9% were re-tested at 2–4 months, 26.9% at 5–12 months, a total of 41.8% overall. Re-testing was higher in females than in males in both the 2–4-month (16.9% v. 11.5%, P < 0.01) and 5–12-month (28.9% v. 23.5%, P = 0.01) periods. Women aged 25–29 years had a significantly higher level of re-testing 5–12 months post-diagnosis than females aged 16–19 years (39.8% v. 25.4%, P < 0.01). There was a total of 858 people re-tested at 2–12 months and repeat positivity was 26.7%. There was higher repeat NG positivity than repeat CT positivity (28.8% v. 18.1%, P < 0.01). Conclusions: Just under half the individuals diagnosed with CT or NG were re-tested at 2–12 months post-diagnosis; however, only 15% were re-tested in the recommended time period of 2–4 months. The higher NG repeat positivity compared with CT is important, as repeat NG infections have been associated with higher risk of pelvic inflammatory disease-related hospitalisation. Findings have implications for clinical practice in remote community settings and will inform ongoing sexual health quality improvement programs in remote community clinics.
Keywords: STRIVE Investigators; Humans; Chlamydia trachomatis; Neisseria gonorrhoeae; Chlamydia Infections; Gonorrhea; Adolescent; Adult; Oceanic Ancestry Group; Australia; Female; Male; Young Adult
Rights: Journal compilation © CSIRO 2016
RMID: 0030059627
DOI: 10.1071/SH16025
Grant ID:
Appears in Collections:Medicine publications

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