From: Antithrombotic drugs have a minimal effect on intraoperative blood loss during emergency surgery for generalized peritonitis: a nationwide retrospective cohort study in Japan
AT
Control
Subjects
2864
Intraoperative blood loss (ml)b
100 (10–349)
70 (10–299)
Estimate (95% CI)
Adjusted ratio of the intraoperative blood lossa,b
1.30 (1.16–1.45)