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Table 1 Characteristics of study patients

From: The role of aspirin in post-polypectomy bleeding – a retrospective survey

  Aspirin group Non-Aspirin group pvalue
Number of patients 145 348  
Age    
Mean (SE) 72.1 (0.7) 62.2 (0.7) p<0.05
Gender    
Male 83 (57.2%) 191 (54.9%) NS, p=0.63
Concomitant NSAID use 4 (2.8%) 12 (3.5%) NS, p=0.68
Concomitant dipyridamole use 2 (1.4%) 3 (0.9%) NS, p=0.64
Polyp Data    
Total number of polypectomies 450 1052  
Range of number of polyps removed per Patient 1-30 1-26  
Number of polypectomies per patient (SE) 3.1 (0.3) 3.1 (0.5) NS, p=0.79
Range of the size of polyp removed 2-40 mm 2-60mm  
Average size of largest polyp per patient (SE) 9.6 (0.7) mm 9.2 (0.5) mm NS, p=0.59
Polypectomy technique    
Cold biopsy 35 (24.1%) 90 (25.9%) NS, p=0.69
Hot biopsy 18 (12.4%) 51 (14.7%) NS, p=0.50
Snare (blended current) 92 (63.4%) 207 (59.5%) NS, p=0.43
Number of patients presented with post-polypectomy bleed 8 (5.5%) 3 (0.8%) p<0.05