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The purpose of this study is to evaluate accuracy of rapid tests for group A beta hemolytic streptococci in patients who presented with sore throat at out patient department in Siriraj Hospital.
The patients who presented with sore throat at out patient department less than 5 days and age over 6 years old would be enrolled by the primary physicians and the consent forms will be completed by researcher.
The throat swab would be performed by using Sofia, QuickVue rapid tests compare to the gold standard which is a throat swab culture to evaluate the accuracy of the rapid tests.
The sample size for validation of sensitivity and specificity of rapid tests is 358 patients.
The primary outcome is will be evaluated sensitivity and specificity of both rapid tests.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Sofia | Experimental | Patients who presented with sore throat will be performed throat swab and sent for Sofia which is rapid test. |
|
| QuickVue | Experimental | Patients who presented with sore throat will be performed throat swab and sent for QuickVue which is rapid test. |
|
| Throat swab culture | Experimental | Patients who presented with sore throat will be performed throat swab and sent for throat swab culture which is gold standard. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Sofia | Device | Patients who presented with sore throat will be performed throat swab and sent for Sofia for rapid test. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Of participants positive for Group A Streptococcus by Sofia rapid test, the percentage who are positive for Group A Streptococcus by Sofia rapid test. | Establish sensitivity against a gold standard. Report as a percentage of participants with 95% confidence limits. | Day 1 |
| Of participants positive for Group A Streptococcus by Sofia rapid test, the percentage who are negative for Group A Streptococcus by Sofia rapid test. | Establish specificity against a gold standard. Report as a percentage of participants with 95% confidence limits. | Day 1 |
| Of participants positive for Group A Streptococcus by QuickVue rapid test, the percentage who are positive for Group A Streptococcus by QuickVue rapid test. | Establish sensitivity against a gold standard. Report as a percentage of participants with 95% confidence limits. | Day 1 |
| Of participants positive for Group A Streptococcus by QuickVue rapid test, the percentage who are negative for Group A Streptococcus by QuickVue rapid test. | Establish specificity against a gold standard. Report as a percentage of participants with 95% confidence limits. | Day 1 |
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Inclusion Criteria:
Exclusion Criteria:
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| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 26159722 | Background | Plainvert C, Duquesne I, Touak G, Dmytruk N, Poyart C. In vitro evaluation and comparison of 5 rapid antigen detection tests for the diagnosis of beta-hemolytic group A streptococcal pharyngitis. Diagn Microbiol Infect Dis. 2015 Oct;83(2):105-11. doi: 10.1016/j.diagmicrobio.2015.06.012. Epub 2015 Jun 23. |
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| ID | Term |
|---|---|
| D010612 | Pharyngitis |
| ID | Term |
|---|---|
| D012141 | Respiratory Tract Infections |
| D007239 | Infections |
| D010608 | Pharyngeal Diseases |
| D009057 | Stomatognathic Diseases |
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| QuickVue | Device | Patients who presented with sore throat will be performed throat swab and sent for QuickVue for rapid test. |
|
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| Throat swab culture | Device | Patients who presented with sore throat will be performed throat swab and sent for throat swab culture for gold standard. |
|
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| D012140 |
| Respiratory Tract Diseases |
| D010038 | Otorhinolaryngologic Diseases |