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Table 1 The characteristics and comorbidities of study population (n = 670)

From: Atrial fibrillation hospitalization is associated with exposure to fine particulate air pollutants

VariablesN(%)Mean ± SD
Age670(100.0)70.5 ± 14.0
 < 65188(28.1) 
 ≥ 65482(71.9) 
Gender
 Male343(51.2) 
Comorbidity
 Coronary artery disease447(66.7) 
 Congestive heart failure287(42.8) 
 Hypertension529(79.0) 
 Hyperlipidemia257(38.4) 
 COPD112(16.7) 
 Diabetes mellitus213(31.8) 
 Chronic kidney disease57(8.5)