Risk of progression to high-grade intraepithelial neoplasia and gastric cancer: A multi-center prospective study in Anhui Province, China

Table 1 Clinical and pathological characteristics of low-grade intraepithelial neoplasia patients, n (%)

Characteristic	Overall patients (n = 357)	Patients follow up (n = 296)
Age, mean ± SD	54.66 ± 14.48	54.34 ± 14.40
Gender
Male	198 (55.5)	163 (55.1)
Female	159 (44.5)	133 (44.9)
Lesion location
Antrum	195 (54.6)	161 (54.4)
Angulus	31 (8.7)	25 (8.4)
Body	17 (4.8)	14 (4.7)
Fundus	17 (4.8)	14 (4.7)
Cardia	86 (24.1)	72 (24.3)
Multiple location	11 (3.1)	10 (3.4)
Lesion size
< 2 cm	291 (81.5)	241 (81.4)
≥ 2 cm	66 (18.5)	55 (18.6)
Congestion
Yes	250 (70.0)	207 (69.9)
No	107 (30.0)	89 (30.1)
Form
Protuberant	165 (46.2)	135 (45.6)
Flat	139 (38.9)	118 (39.9)
Central depression	53 (14.8)	43 (14.5)
Comorbidities
Ulceration	112 (31.4)	90 (30.4)
Gastric polyps	59 (16.5)	52 (17.6)
None	186 (52.1)	154 (52.0)
Prognosis
Progress		33 (11.1)
Retrogress		200 (67.6)
Unchanged		63 (31.3)