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Evaluation of Accuracy of Rapid Tests for Group A Beta Hemolytic Streptococci in Out-patients With Sore Throat

Not Applicable
Completed
Conditions
Pharyngitis
Interventions
Device: Sofia
Device: QuickVue
Device: Throat swab culture
Registration Number
NCT02623985
Lead Sponsor
Mahidol University
Brief Summary

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.

Detailed Description

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.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
360
Inclusion Criteria
  • Patients who came with sore throat less than 5 days.
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Exclusion Criteria
  • No
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Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
SofiaSofiaPatients who presented with sore throat will be performed throat swab and sent for Sofia which is rapid test.
QuickVueQuickVuePatients who presented with sore throat will be performed throat swab and sent for QuickVue which is rapid test.
Throat swab cultureThroat swab culturePatients who presented with sore throat will be performed throat swab and sent for throat swab culture which is gold standard.
Primary Outcome Measures
NameTimeMethod
Of participants positive for Group A Streptococcus by Sofia rapid test, the percentage who are positive for Group A Streptococcus by Sofia rapid test.Day 1

Establish sensitivity against a gold standard. Report as a percentage of participants with 95% confidence limits.

Of participants positive for Group A Streptococcus by Sofia rapid test, the percentage who are negative for Group A Streptococcus by Sofia rapid test.Day 1

Establish specificity against a gold standard. Report as a percentage of participants with 95% confidence limits.

Of participants positive for Group A Streptococcus by QuickVue rapid test, the percentage who are positive for Group A Streptococcus by QuickVue rapid test.Day 1

Establish sensitivity against a gold standard. Report as a percentage of participants with 95% confidence limits.

Of participants positive for Group A Streptococcus by QuickVue rapid test, the percentage who are negative for Group A Streptococcus by QuickVue rapid test.Day 1

Establish specificity against a gold standard. Report as a percentage of participants with 95% confidence limits.

Secondary Outcome Measures
NameTimeMethod
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