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Table 5 Multivariate analysis of severe bleeding

From: Antithrombotic drugs do not increase intraoperative blood loss in emergency gastrointestinal surgery: a single-institution propensity score analysis

 Coefficientp valueOdds ratio95% confidential interval
Age (per 10 years)0.24<0.0011.281.121.46
Gastrectomy1.910.0066.771.7326.50
Intestinal surgery− 0.850.0010.430.260.71
Colorectal surgery0.640.0101.901.173.10
Appendectomy− 1.65<0.0010.190.080.46
Laparotomy1.69<0.0015.432.2313.21
Renal failure0.950.0042.591.354.99
Malignancy0.440.0291.551.052.29
Antithrombotic drug− 0.320.1930.730.451.17
 Antiplatelet drug− 0.340.2040.710.421.21
 Anticoagulant drug0.250.5081.290.612.71
Dual antithrombotic drug− 0.420.4800.660.212.10
  1. χ2<0.001, AUC = 0.840 (0.813–0.868), percentage correct 86.6%