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Table 6 Univariate and multivariate analysis of risk factors for bleeding during and after colorectal endoscopic mucosal resection (EMR)

From: Colorectal endoscopic mucosal resection with submucosal injection of epinephrine versus hypertonic saline in patients taking antithrombotic agents: propensity-score-matching analysis

 Risk factor for immediate EMR bleedingRisk factor for post EMR bleeding
VariablesOdds ratio95% CIP valueOdds ratio95% CIP value
Univariate analysis
 Age, >75 y0.480.092.480.482.380.648.790.20
 Sex, male3.050.3913.50.150.510.064.161.00
 Anticoagulant agents1.070.205.561.002.270.618.530.25
 Antiplatelet agents0.770.153.990.670.580.142.390.43
 Multiple agents0.840.107.201.001.540.307.730.64
 Heparin replacement1.070.215.561.000.790.163.901.00
 Size of polyps, >10 mm5.571.2724.50.0242.110.567.900.27
 Number of polyps, > 20.230.031.930.262.740.7410.20.17
 Histological classification, 0-Ip3.810.7419.40.141.210.344.341.00
 Operator of trainees4.690.5639.10.150.950.263.491.00
 Injection of epinephrine3.160.6216.20.282.460.619.880.33
Multivariate analysis
 Size of polyps, >10 mm12.12.0074.00.001    
  1. 95% CI: 95% confidence interval