Observational Study
Copyright ©The Author(s) 2021.
World J Gastroenterol. Dec 21, 2021; 27(47): 8182-8193
Published online Dec 21, 2021. doi: 10.3748/wjg.v27.i47.8182
Table 3 Characteristics of excised polyps after propensity score matching

CP, mean ± SD or n (%)
HP, mean ± SD or n (%)
P-value
Number of polyps excised215215
Size, mm4.95 ± 1.60 4.94 ± 1.580.952a
Morphology0.847b
Sessile111 (51.6)113 (52.6)
Flat104 (48.4)102 (47.4)
Location0.736b
Cecum13 (6.0)15 (7.0)
Ascending colon54 (25.1)51 (23.7)
Transverse colon71 (33.0)48 (22.3)
Descending colon27 (12.6)26 (12.1)
Sigmoid colon41 (19.1)55 (25.6)
Rectum9 (4.2)20 (9.3)
Polypectomy device0.688c
Snare213 (99.1)213 (99.1)
Biopsy forceps2 (0.9)2 (0.9)
Pathologic diagnosis1210 lesions212 lesions0.117b
Low-grade adenoma186 (88.6)168 (79.2)
Advanced neoplasia27 (3.3)14 (6.6)
Hyperplastic polyp and SSL14 (6.7)28 (13.2)
Others3 (1.4)2 (0.9)
Failure of tissue retrieval5 (2.3)3 (1.4)0.362c