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Table 4 Risk factors of atrial fibrillation

From: Dexmedetomidine sedation during the nighttime reduced the incidence of postoperative atrial fibrillation in cardiovascular surgery patients after tracheal extubation

  p value Odds ratio (95 %CI)
Univariate analysis   
 Age 0.14  
 Gender 0.72  
 BMI 0.73  
 Dexmedetomidine 0.067  
 Catecholamine (dopamine and/or dobutamine) 0.52  
 Beta-blocker 0.15  
 Fentanyl 0.2  
 CRP 0.52  
 Hypertension 0.42  
 Valvular disease 0.74  
 Heart failure 1  
 Left ventricular hypertrophy 1  
 Diabetes 0.72  
 Smoking 0.48  
 APACHE II score 0.7  
 SOFA score 0.33  
 Intubation days 1  
Multivariate analysis   
 Age 0.13 1.1 (0.97–1.24)
 Dexmedetomidine 0.045 9.75 (1.05–90.8)
 Beta-blocker 0.36 0.69 (0.32–1.51)
  1. Univariate analysis was conducted by Fisher’s exact test. Multivariate logistic regression analysis was conducted using age, Dex, and beta-blocker, extracted because their p values in univariate analysis were not exceeding 0.15
  2. BMI body mass index, CRP serum level of C-reactive protein, APACHE II score Acute Physiology and Chronic Health Evaluation II score, SOFA score Sequential Organ Failure Assessment score
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