Comparison of incidence of severe outcomes between COVID-19 and influenza in outpatients without risk factors using health insurance claims database

Comparison of incidence of severe outcomes between COVID-19 and influenza in outpatients without risk factors using health insurance claims database - Comparison of incidence of severe outcomes between COVID-19 and influenza in outpatients without risk factors using health insurance claims database

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000050806

Enrollment

570000

Registered

2023-04-17

Start date

2023-04-10

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

SARS-CoV-2 infection and Influenza virus infection

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: [COVID-19 patient] Patients diagnosed between January 2020 and July 2022 [Influenza patient] Patients diagnosed between October 2017 and September 2019 [Common to COVID-19 and influenza patients] It has information on the date of onset (Day1). Day 1 is defined as the minimum start date of medical care in the minimum month of the diagnosis of the disease. 1, The diagnosis record that identifies Day 1 is an outpatient receipt 2, Outpatient treatment or drug prescription on Day 1 3, Observation start date is 6 or more than 6 months before the month including Day 1 4, Observation end date is a month after the month including Day1

Exclusion criteria

Exclusion criteria: Hospitalized on Day1 Risk factors for aggravation (age, malignant tumor, chronic respiratory disease, chronic kidney disease, diabetes, hypertensive disease, dyslipidemia, cardiovascular disease, cerebrovascular disease) disease, morbid obesity, immunosuppressive status, AIDS/HIV)

Design outcomes

Primary

Measure	Time frame
Hospitalization within 4 weeks after consultation, oxygen inhalation, respiratory rate monitoring, ventilator, ICU admission, presence or absence of death within the next month	—

Countries

Japan

Contacts

Public ContactSatoki Fujita

Shionogi & Co., Ltd. Data Science Department

satoki.fujita@shionogi.co.jp06-6209-1103

Outcome results