Clinical outcomes of endoscopic papillectomy of ampullary adenoma: A multi-center study

Table 1 Baseline characteristics of patients

Characteristics	n (%)/mean ± SD (n = 106)
Age, yr	61.4 ± 12.8
≤ 65	57.5)
> 65	45 (42.5)
Sex
Male	62 (58.5)
Female	44 (41.5)
Body mass index (kg/m2)	23.3 ± 2.2
≤ 25	90 (84.9)
> 25	16 (15.1)
Clinical presentation
Asymptomatic	73 (68.9)
Jaundice	16 (15.1)
Abdominal discomfort	13 (12.3)
Other	4 (3.8)
Familial adenomatous polyposis	3 (2.8)
Initial pathology
Chronic inflammation	2 (1.9)
Atypical proliferative epithelium	3 (2.8)
Low-grade dysplasia	91 (85.8)
High-grade dysplasia	10 (9.4)
Mean follow-up, mo	36.2 ± 18.3