Polypectomy rate and characteristics of polyps in upper gastrointestinal system endoscopy

Table 1 Demographic and clinical characteristics of the study group, n (%)/median (range)

Variables	All patients (n = 110)	Dysplasia (-) (n = 105)	Dysplasia (+) (n = 5)	P value
Age (years)	65 (33-86)	65 (33-86)	70 (53-81)	0.5801
Sex
Female	71 (64.5)	69 (65.7)	2 (40)	0.3442
Male	39 (35.5)	36 (34.3)	3 (60)
Indication
Dyspepsia	49 (44.5)	48 (45.7)	1 (20)	0.1072
Abdominal pain	26 (23.6)	26 (24.8)	1 (20)
Reflux symptoms	13 (11.8)	11 (10.5)	1 (20)
Family history of gastric cancer	10 (9.1)	10 (9.5)	0 (0)
Anemia	9 (8.2)	8 (7.6)	1 (20)
Radiologic suspicious findings	3 (2.7)	2 (1.9)	1 (20)
Polyp localisation
Esophagus	2 (1.8)	2 (1.9)	0 (0)	0.5402
Cardia	17 (15.5)	17 (16.2)	0 (0)
Fundus	25 (22.7)	25 (23.8)	0 (0)
Corpus	38 (34.5)	35 (33.3)	3 (60)
Antrum	24 (21.8)	22 (21)	2 (40)
Bulbus	3 (2.7)	3 (2.9)	0 (0)
Second part of the duodenum	1 (0.9)	1 (1)	0 (0)
Helicobacter pylori infection
No	96 (87.3)	94 (89.5)	2 (40)	0.0142
Yes	14 (12.7)	11 (10.5)	3 (60)

¹Mann-Whitney U test.

²Fisher’s Exact test.

Table 2 Pathological parameters of the study population, n (%)/median (25^th-75^th percentiles)

Variables	All patients (n = 110)	Dysplasia (-) (n = 105)	Dysplasia (+) (n = 5)	P value
Polyp diameter (mm)	5 (4-7)	5 (4-6)	10 (9-12)	< 0.0011
Pathological diagnosis
Hyperplastic	78 (70.9)	77 (73.3)	1 (20)	0.0012
Fundic gland	19 (17.3)	19 (18.1)	0 (0)
Adenomatous	12 (10.9)	8 (7.6)	4 (80)
Inflammatory	1 (0.9)	1 (1)	0 (0)
Intestinal metaplasia
No	93 (84.5)	93 (88.6)	0 (0)	< 0.0012
Yes	17 (15.5)	12 (11.4)	5 (100)

¹Mann-Whitney U test.

²Fisher’s Exact test.

Table 3 Polyp type and Helicobacter pylori infection relationship in study population

Variables	All patients (n = 110)	Helicobacter pylori (-) (n = 96)	Helicobacter pylori (+) (n = 14)	P value
Pathological diagnosis
Hyperplastic	78 (70.9)	71 (74)	7 (50)	0.0031
Fundic gland	19 (17.3)	18 (18.8)	1 (7.1)
Adenomatous	12 (10.9)	6 (6.3)	6 (42.9)
Inflammatory	1 (0.9)	1 (1)	0 (0)

¹Fisher’s Exact test.