Borderline COVID-19 PCR Test Result

Follow-up of Patients With a Borderline COVID-19 PCR Test Result

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT04636294

Enrollment

30000

Registered

2020-11-19

Start date

2020-08-01

Completion date

2021-02-15

Last updated

2021-02-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Covid19, Virus

Brief summary

Follow-up of patients with a borderline PCR result. Data of patients that were re-tested within 96 hours after receiving a borderline COVID-19 PCR result are reviewed. This is a retrospective study.

Interventions

DIAGNOSTIC_TESTSARS-CoV-2 PCR

SARS-CoV-2 PCR of nasopharyngeal lysate.

Study design

Observational model

CASE_CONTROL

Time perspective

RETROSPECTIVE

Eligibility

Sex/Gender

ALL

Inclusion criteria

* Every individual that delivers a nasopharyngeal lysate for SARS-CoV-2 RNA determination by PCR.

Exclusion criteria

* Patients without a previous borderline COVID-19 PCR result within 96 hours are excluded for the follow-up study.

Design outcomes

Primary

Measure	Time frame
Ratio of positivity conversion after receiving a COVID-19 borderline PCR result.	3 days

Secondary

Measure	Time frame
Symptoms predicting COVID-19 positivity conversion after receiving a borderline PCR result.	1 day

Countries

Belgium

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 16, 2026