Coronavirus Infections
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Male and Female; Above 18 years old; The patient must accept and sign a form of willing and informed consent; The SARS CoV-2 carrier’s status shall be determined in a sample collected during the breath analyzed test (BAT); Outpatient cases; Symptomatic and asymptomatic.
Exclusion criteria
Exclusion criteria: Hospitalized patients; Subjects under general anesthesia; The incapacity of personally sign the consent form; The incapacity of blowing 5x in the test; BAT samples analyzed after 6h; Impossibility of obtaining a second sample; Symptomatic patients with over 5 days of symptoms for the first PCR sample or over 7 days for the repetition.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Evaluate the correlation of the 2 diagnostic methods through the ROC analysis and determination of the correlation coefficient (r).;Evaluate the sensitivity of the new method (BAT) in comparison to the gold standard (PCR).;Evaluate the specificity of the new method (BAT) in comparison with the gold standard (PCR). | — |
Secondary
| Measure | Time frame |
|---|---|
| Assess the sensitivity of the new method (BAT) in comparison with the gold standard (PCR) in subgroups of patients: symptomatic only, only asymptomatic, by age group, by sex, according to the PCR's ct ranges.;Assess the specificity of the new method (BAT) in comparison with the gold standard (PCR) in subgroups of patients: symptomatic only, only asymptomatic, by age group, by sex, according to the PCR's ct ranges.;Perform exploratory analysis of results found in the new method (BAT) if there is identification of other respiratory viruses. | — |
Countries
Brazil
Contacts
Instituto de Tecnologia do Paraná