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Table 3 Factors associated with AF hospitalization

From: Incidence and predictors of hospitalization in patients with atrial fibrillation: results from the Chinese atrial fibrillation registry study

Factors Multivariate analysis
  HR (95%CI) P value
Age (years)   
< 65 Ref
65–74 0.83 (0.76, 0.90) < 0.01
≥ 75 0.64 (0.57, 0.72) < 0.01
Female 1.18 (1.09, 1.29) < 0.01
High school or above 1.11 (1.02, 1.20) 0.01
AF duration ≥ 1 year 1.29 (1.18. 1.40) < 0.01
EHRA score   
I Ref
II 1.32 (1.11, 1.58) < 0.01
III 1.32 (1.08, 1.61) < 0.01
Established CAD 1.19 (1.07, 1.33) < 0.01
Antiarrhythmic drugs 1.38 (1.26, 1.50) < 0.01
History of RFCA 0.89 (0.81, 0.99) 0.04
  1. AF, atrial fibrillation; CAD, coronary artery disease; RFCA, radiofrequency catheter ablation; HR, hazard ratio; 95% CI, 95% confidence interval