Atrial fibrillation (AF) is the most common cardiac arrhythmia, affecting ~3.5% of the adult population and is an important cause of cardiovascular morbidity and mortality. Approximately 25% of strokes are associated with AF, and AF-related strokes tend to be more severe and with a higher mortality.
Conditions
Interventions
OAC group (Oral Anticoagulants, OAC):None
Control group:None
Sponsors
Ningbo First Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. During the period from January 1, 2011 to December 31, 2024, there were at least one record of AF diagnosis. 2. During the period from January 1, 2011 to December 31, 2024, there is any day with a non-gender CHA2DS2-VASc score of 1, and the number of days with a non-gender CHA2DS2-VASc score equal to 1 lasts for at least 30 consecutive days.
Exclusion criteria
Exclusion criteria: 1. A non-gender CHA2DS2-VASc score of 2 or above before the patient's first diagnosis of AF; 2. Patients with mitral stenosis or mechanical heart valves; 3.Patients who used OAC and/or antiplatelet drugs for non-AF reasons before the diagnosis of AF;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence Rate Ratio, IRR; | — |
Countries
China
Contacts
Public ContactCui Hanbin
Ningbo First Hospital
Outcome results
None listed