Research Article
Difference between the Upper and the Lower Gastrointestinal Bleeding in Patients Taking Nonvitamin K Oral Anticoagulants
Table 5
Significant clinical factors relating upper gastrointestinal bleeding in patients taking nonvitamin K oral anticoagulants.
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Analysis was done by Cox proportional hazard model with stepwise forward likelihood method. HR of PPI presents 0 because no patients with upper gastrointestinal bleeding took PPI concomitantly. HR: hazard ration, CI: confidence interval, and PPI: proton pump inhibitor. |