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Table 2 Adjusted odds ratios and 95% confidence intervals from the multiple logistic regression analysis of anticoagulant utilization

From: Underutilization of anticoagulants in patients with nonvalvular atrial fibrillation in the era of non-vitamin K antagonist oral anticoagulants

Explanatory variables Anticoagulant utilization
Adj. OR 95% CI p value
Age group 65–69 (R)    
70–74 1.167 1.023–1.332 0.022
≥ 75 1.210 1.080–1.355 0.001
Sex Male (R)    
Female 1.061 0.971–1.160 0.192
CHF No (R)    
Yes 1.103 1.008–1.208 0.033
Hypertension No (R)    
Yes 1.644 1.445–1.869 < 0.001
Diabetes mellitus No (R)    
Yes 1.168 1.065–1.281 0.001
Prior stroke/TIA/TE No (R)    
Yes 1.444 1.289–1.619 < 0.001
Vascular disease No(R)    
Yes 0.597 0.507–0.704 < 0.001
Anemia No(R)    
Yes 0.648 0.560–0.751 < 0.001
Severe renal disease No(R)    
Yes 0.289 0.200–0.416 < 0.001
Prior hemorrhage diagnosis No(R)    
Yes 0.610 0.502–0.741 < 0.001
Type of medical institution Tertiary (R)    
General 0.624 0.563–0.691 < 0.001
Primary & others 0.325 0.281–0.375 < 0.001
Region Capital (R)    
Metropolitan 1.006 0.889–1.139 0.921
Others 1.021 0.910–1.145 0.721
Aspirin use No (R)    
Yes 0.097 0.085–0.110 < 0.001
AF type Paroxysmal (R)    
Persistent 1.593 1.381–1.841 < 0.001
Permanent 1.520 1.304–1.776 < 0.001
Atrial flutter 0.530 0.283–1.004 0.048
Others 1.183 1.067–1.313 0.001
c statistic 0.742    
p value of Hosmer–Lemeshow test 0.384    
  1. Adj. OR adjusted odds ratio, AF atrial fibrillation, CHF congestive heart failure, CI confidence interval, R reference, TE thromboembolism, TIA transient ischemic attack