Among patients with BMI >40 kg/m2, there were 3414 patients on apixaban, 2405 on dabigatran, 2340 on rivaroxaban, and 8267 on warfarin

  DOACs compared with each other
HR (95% CI)
DOACs compared with warfarin
HR (95% CI)
Apix vs riva Apix vs dabi Dabi vs riva Apix vs warfarin Dabi vs warfarin Riva vs warfarin
All-cause mortality 1.12 (1.02-1.23) 1.30 (1.20-1.44) 0.85 (0.78-0.94) 0.92 (0.84-0.99) 0.70 (0.64-0.76) 0.82 (0.75-0.89)
Ischemic stroke 0.85 (0.65-1.11) 1.00 (0.76-1.32) 0.85 (0.65-1.10) 0.93 (0.71-1.22) 0.92 (0.71-1.20) 1.10 (0.84-1.41)
Bleeding            
Any major 1.08 (0.94-1.25) 1.35 (1.17-1.57) 0.80 (0.69-0.93) 0.72 (0.63-0.82) 0.53 (0.46-0.61) 0.66 (0.58-0.75)
GI bleeding 1.13 (0.95-1.34) 1.08 (0.94-1.25) 1.03 (0.87-1.23) 0.78 (0.67-0.92) 0.71 (0.61-0.84) 0.70 (0.59-0.82)
Hemorrhagic stroke 0.27 (0.10-0.74) 0.77 (0.25-2.39) 0.36 (0.15-0.84) 0.13 (0.05-0.32) 0.17 (0.08-0.36) 0.47 (0.27-0.81)
Acute MI 0.55 (0.45-0.67) 1.22 (0.97-1.53) 0.45 (0.37-0.56) 0.79 (0.64-0.98) 0.65 (0.52-0.80) 1.44 (1.20-1.72)
Acute heart failure 1.09 (1.02-1.16) 1.32 (1.23-1.42) 0.82 (0.77-0.80) 0.95 (0.90-1.01) 0.72 (0.67-0.77) 0.87 (0.82-0.93)

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