Table 1

Characteristics of study patients
Aspirin group Non-Aspirin group p value
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

Pan et al.

Pan et al. BMC Gastroenterology 2012 12:138   doi:10.1186/1471-230X-12-138

Open Data