Appendicitis During the National Lockdown During the COVID-19 Pandemic

Change in the Incidence of Appendicitis in a Controlled Environment During the National Lockdown Throughout the COVID-19 Pandemic

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT04407117

Enrollment

6000000

Registered

2020-05-29

Start date

2017-03-23

Completion date

2020-04-19

Last updated

2020-06-19

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

Conditions

Appendicitis

Keywords

COVID-19, Pandemic, Incidence

Brief summary

The study aims to examine whether a nationwide lock-down with an entire population subjugated to social distancing reduces the incidence of appendicitis. If a reduction is detected it supports the hypothesis that infectious disease may play a role in the etiology of appendicitis.

Interventions

BEHAVIORALLock-down and social distancing

Lock-down and social distancing during COVID-19 pandemic

Study design

Observational model

COHORT

Time perspective

RETROSPECTIVE

Eligibility

Sex/Gender

ALL

Healthy volunteers

Inclusion criteria

Registered in the Danish National Patient Register during the study period

Exclusion criteria

None

Design outcomes

Primary

Measure	Time frame	Description
Appendectomy	5 weeks	Appendectomy or other surgery for appendicitis

Secondary

Measure	Time frame	Description
Postoperative length of stay	30 days	Postoperative length of stay
Mortality	30 days	Overall mortality
Incidence of complicated appendicitis	5 weeks	Perforated appendicitis or periappendicular abscess

Countries

Denmark

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 12, 2026