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Table 1 Variables of the Study

From: Opportunistic detection of atrial fibrillation in subjects aged 65 years or older in primare care: a randomised clinical trial of efficacy. DOFA-AP study protocol

Variables

Definition

Measure scale

Independet

 

-Study Groups

EG: Opportunistic detection of AF

Dichotomous Qualitative

CG: regular approach

-Practitioner

Physician vs. Nurse

Dichotomous Qualitative

-Sociodemographic:

 

Age

≥ 65 years

Quantitative Discrete

Sex

Man/woman

Dichotomous Qualitative

Marital Status

bachelor, married, widow/er, divorced

Qualitative Polytomous

Residence

Urban (≥ 10.000 population)/Rural (<10.000 population)

Dichotomous Qualitative

-Clinical and Functional Assessment:

 

Symptoms and Signs

Asymptomatic, Palpitations, Chest Pain, dispnoea, fatigue, diziness, embolism complications or exacerbation of heart failure, weight loss, diarrhea.

Polytomous Qualitative

Conditions (comorbidity) and associated health disorders

High blood pressure, heart disease, mitral stenosis, mitral regurgitation, hypertrophic cardiomyopathy, pericarditis,congenital heart disease, previous cardiac surgery, lung diseases (pneumonia, lung cancer, pulmonary embolism, sarcoidosis), alcohol abuse, hyperthyroidism, bone and joint disorders, neurological, hearing, vision, feet, psychic, digestive, urinary, sleep disorders, other.

Polytomous Qualitative

To classify chronic disorders we will use the electronic version of the Second International Clasiffication of Primary Care (ICPC-2-E) [31]

Family History of AF

Parents, siblings, children

Polytomous Qualitative

Drug Consumption for Cardiovascular Disease

Name of the drug: The Anatomical Therapeutic Classification (AT) developed by the European Pharmaceutical Market Research Association (EPhMRA) [32]

Polytomous Qualitative

Number of Drugs

Drugs currently consumed

Discrete

Quantitative

Dependent:

  

Peripheral Blood Pulse

Radial pulse measuring according to the protocol: Regular/Irregular

Dichotomous Qualitative

Atrial Fibrillation

ECG according to the clinical protocol

Dichotomous Qualitative

Treatment

Pharmacological (Antiarrhythmic / Anticoagulation)/Non-pharmacological (Cardioversion)

Polytomous Qualitative