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Title: | Carrier rates of group A streptococci in Australian wet tropics and their impact on the clinical usefulness of throat swabs | Authors: | Gunnarsson, Ronny Kent Orda, Ulrich Elliott, Bradley Heal, Clare |
Issue Date: | Oct-2024 | Source: | Australian journal of general practice, 2024 | Journal Title: | Australian journal of general practice | Abstract: | Rapid point-of-care tests (POCT) are likely to assist with the detection of group A streptococci (GAS), but their usefulness is determined by the presence of carriers of GAS. This is insufficiently explored in the wet tropics. This study included 77 patients attending primary care in the wet tropics complaining of a sore throat, and 49 healthy controls. Carrier rates of GAS and the positive and negative etiological predictive values (P-EPV and N-EPV, respectively) of a POCT were calculated. The carrier rates were 8.3% among healthy children and 2.7% for adults. The P-EPV for children was 71% (95% confidence interval [CI]: 0.0-100%) and for adults it was 85% (95% CI: 0.0-100%). The corresponding N-EPV was 99% (95% CI: 95-100%) for children and 99% (95% CI: 98-100%) for adults. N-EPV, ruling out GAS, was sufficiently high with narrow CIs to allow for defining a stopping rule to avoid unnecessary antibiotic prescribing. | DOI: | 10.31128/AJGP-07-23-6897 | metadata.dc.rights.holder: | Ulrich Orda | Keywords: | Streptococcal Infections;Carrier State;Tropical Climate;Pharyngitis;Microbiology;Point-of-Care Testing;Australia | Type: | Article |
Appears in Sites: | North West HHS Publications |
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File | Description | Size | Format | |
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Carrier rates of group A streptococci in the Australian wet tropics.pdf | PDF Article | 126.7 kB | Adobe PDF | View/Open |
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