Research Article

Efficacy and Safety of Direct Oral Anticoagulants in Patients with Diabetes and Nonvalvular Atrial Fibrillation: Meta-Analysis of Observational Studies

Table 1

Stratified analysis of efficacy outcomes according to anticoagulant mechanism.

Number of reportsPooled RR (95% CI) value (%)

Stroke
Overall estimation40.56 (0.45-0.70)<0.000178
Anti-IIa agents10.64 (0.48-0.85)0.002
Anti-Xa agents30.54 (0.41-0.71)<0.000185
Ischemic stroke
Overall estimation60.61 (0.48-0.78)<0.000179
Anti-IIa agents10.80 (0.58-1.10)0.17
Anti-Xa agents50.58 (0.43-0.77)<0.000182
Stroke/systemic embolism
Overall estimation80.80 (0.68-0.95)0.0188
Anti-IIa agents20.79 (0.55-1.13)0.1982
Anti-Xa agents60.81 (0.65-1.00)0.04790
Myocardial infarction
Overall estimation80.69 (0.55-0.88)0.00261
Anti-IIa agents20.66 (0.35-1.25)0.20152
Anti-Xa agents60.67 (0.50-0.91)0.01168
MACE
Overall estimation50.87 (0.75-1.00)0.04982
Anti-IIa agents10.91 (0.81-1.01)0.084
Anti-Xa agents40.85 (0.70-1.04)0.11287

Anti-IIa agents include dabigatran. Anti-Xa agents include apixaban, edoxaban, and rivaroxaban. CI: confdence interval; MACE: major adverse cardiac events; RR: relative risk.