No. of patients (incidence rate/100
person-years)
Hazard ratio (95% CI) Interaction
P value
Apixaban
(n=38,756)
Warfarin
(n=35,051)
All NVAF patients    
 
   
Stroke/SE 562 (2.1) 848 (3.1)
 
0.75 (0.67-0.84) ---
MB 1431 (5.2) 2530 (9.0)
 
0.64 (0.59-0.68) ---
Interaction analysis    
 
   
Stroke/SE    
 
   
Non-obese* 411 (2.4) 636 (3.7)
 
0.72 (0.63-0.82)  
Obese (non-morbid) 139 (1.6) 189 (2.2)
 
0.82 (0.65-1.03) .602
Obese (morbid) 12 (0.9) 24 (1.5)
 
0.66 (0.32-1.33)  
MB    
 
   
Non-obese* 1019 (5.9) 1776 (10.1)
 
0.64 (0.59-0.69) .385
Obese (non-morbid) 359 (4.1) 668 (7.6)
 
0.59 (0.51-0.68)
Obese (morbid) 53 (4.0) 86 (5.3)
 
0.75 (0.52-1.07)
0
0.5
1.0
1.5

No head-to-head clinical trials have been conducted comparing the efficacy and safety of DOACs versus DOACs.

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