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Table 2 Adjusted hazard ratio of the risk of AF across BMI categories

From: Underweight is a major risk factor for atrial fibrillation in Asian people with type 2 diabetes mellitus

BMI Crude Model 1 Model 2
HR P-value HR P-value HR P-value
Continuous per unit increase 0.99 (0.98–0.99)  < 0.001 1.03 (1.02–1.03)  < 0.001 0.98 (0.97–0.99)  < 0.001
Underweight 1.60 (1.39–1.83)  < 0.001 1.33 (1.12–1.58) 0.001 1.52 (1.25–1.87)  < 0.001
Normal range 1   1   1  
Overweight 0.91 (0.85–0.97) 0.003 0.92 (0.85–0.99) 0.034 0.82 (0.73–0.89)  < 0.001
Obesity class 1 0.98 (0.91–1.06) 0.663 1.05 (0.96–1.14) 0.299 0.86 (0.78–0.95) 0.004
Obesity class 2 0.95(0.87–1.05) 0.325 1.15 (1.03–1.28) 0.014 0.85 (0.75–0.97) 0.013
Obesity class 3 1.15 (0.98–1.36) 0.084 1.50 (1.25–1.82)  < 0.001 0.89 (0.72–1.11) 0.333
  1. Model 1 (***): adjusted for age (< 65, 65–74, ≥ 75-years-old), gender, hypertension, hyperlipidemia, gout, history of heart failure, VHD, CAD, COPD, PAOD, prior TIA/ischemic stroke, baseline HbA1C, baseline FG, CKD, and cancer
  2. Model 2 (***): adjusted model 1, plus baseline LA size, baseline LVEF, and baseline LVM
  3. (***): P-value < 0.001