Fig. 1

(a) Shows percentages of the patients who utilized preoperative anticoagulation medication (Yes) and who did not utilize preoperative anticoagulation medication (No). (b) Shows percentage of the patients who did not use postoperative anticoagulant medication (No) and who used postoperative anticoagulant medication, categorized based on the starting day: operative day (Day 0), one day postoperative (Day 1), two days postoperative (Day 2), three days postoperative (Day 3)