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Table 1 Primary and secondary outcomes

From: A randomised controlled trial to evaluate and optimize the use of antiplatelet agents in the perioperative management in patients undergoing general and abdominal surgery- the APAP trial (ISRCTN45810007)

Primary endpoints Definition and assessment of outcomes
Perioperative thromboembolic event  
Perioperative bleeding complication Occurrence of critical blood-loss requiring surgical intervention or the application of coagulation products (FFP, coagulation factors) to normalize the INR
Secondary endpoints Definition and assessment of outcomes
Operation time [min]: Time from skin incision to placement of last skin staple/suture.
Intraoperative blood loss [ml]: Blood loss observed from skin incision to placement of last staple/suture.
Duration of postoperative hospital stay [days]: Time from day of surgery to day of discharge.
Morbidity/  
Surgical complications  
Medical complications  
Peri-/postoperative need for blood/coagulation products  
Re-laparotomy/laparoscopy Re-operation within the time of index hospitalization respectively within the time of follow-up after the index operation.
In-hospital mortality: Death due to any reason within the patient's initial hospital stay.
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