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Table 2 Comparison of immediate and delayed postpolypectomy bleeding rate between groups A and B

From: Prophylactic clip application for large pedunculated polyps before snare polypectomy may decrease immediate postpolypectomy bleeding

VariablesGroup A
(n = 67)
Group B
(n = 70)
P-value
Immediate PPB, no. (%)6 (9.0)22 (31.4)0.001
 Grade 1, no. (%)2 (3.0)5 (7.1) 
 Grade 2, no. (%)1 (1.5)3 (4.3) 
 Grade 3, no. (%)1 (1.5)11 (15.7) 
 Grade 4, no. (%)2 (3.0)3 (4.3) 
Immediate PPB grades 1–2, no. (%)3 (4.5)8 (11.4)0.208
Immediate PPB grades 3–4, no. (%)3 (4.5)14 (20.0)0.008
Delayed PPB, no. (%)5 (7.5)5 (7.1)0.943
 Minor bleeding, no. (%)5 (7.5)3 (4.3)0.487
 Significant bleeding, no. (%)0 (0.0)2 (2.9)0.497
Total bleeding events, no. (%)11 (16.4)25 (35.7)0.010
  1. PPB, postpolypectomy bleeding