Research Article

The Prevalence and Determinants of Inappropriate Oral Anticoagulant Use in Patients with Atrial Fibrillation, in Resource-Limited Setting

Table 5

Binary logistic regression for predictive factors towards inappropriate anticoagulation management practice among AF patients at the Yekatit 12 Hospital Medical College from November 2019 to March 2020, Addis Ababa, Ethiopia.

VariableAppropriate vs inappropriate anticoagulation, (%)Crude OR (CI 95%)Adjusted OR (CI 95%) value

Types of AF
 Valvular22761.00
 Nonvalvular99340.352 (0.247-0.519)0.488 (0.651-0.982)0.004
CHA2DS2-VASc score
 1911.00
 244131.948 (0.620-1.185)1.753 (0.418-2.238)
 ≥346208.473 (0.199-10.32)1.638 (0.399-6.719)
Chronic valvular heart disease
 Yes10761.00
 No12498.188 (0.968-7.407)9.109 (0.503-6.866)
Hypertension
 Yes6451.00
 No16778.386 (3.143-8.292)10.36 (0.346-2.639)
Diabetes mellitus
 Yes2921.00
 No20237.651 (0.635-5.809)3.363 (0.754-6.547)
Chronic kidney disease
 Yes1511.00
 No21623.139 (0.754-5.505)4.299 (0.565-3.103)
Stroke
 Yes621.00
 No22540.175 (0.374-4.221)1.95 (0.794-6.529)
Congestive heart disease
 Yes82241.00
 No149350.36 (4.795-11.47)0.146 (4.803-7.541)0.002
Hyperthyroidism
 Yes3811.00
 No19348.473 (0.969-6.282)1.638 (0.339-7.371)
Degenerative valvular heart disease
 Yes2521.00
 No20631.01 (0.704-4.340)0.961 (0.545-2.078)
Type and method of anticoagulation
 No anticoagulant0881.00
 Warfarin10200.316 (0.293-2.812)0.939 (0.933-6.584)
 Aspirin10220.85 (0.682-1.804)0.614 (0.551-1.902)
 Both warfarin and aspirin900.266 (0.923-1.911)0.57 (0.263-3.142)

Statistically significant association with inappropriate anticoagulation management practice.