The Distribution of Incomplete Gastric Intestinal Metaplasia (GIM) Subtype among Biopsy Sites according to the Updated Sydney System and Its Association with GIM Extension
Table 1
Demographic and pathologic characteristics of patients in the study.
N
280
Age (mean ± SD)
Sex (n, %)
Male
140 (50)
Female
140 (50)
Smoking (n, %)
Yes (current or ex-smokers)
59 (21.1)
No
221 (78.9)
First-degree relatives with GC (n, %)
Yes
8 (2.9)
No
272 (97.1)
Helicobacter pylori infection (n, %)
Positive
139 (49.6)
Negative
141 (50.4)
OLGA gastritis stage (n, %)
0
115 (41)
I
119 (42.5)
II
33 (11.8)
III
8 (2.9)
IV
5 (1.8)
Gastric intestinal metaplasia (GIM) (n, %)
Yes
81 (28.9)
No
199 (71.1)
Number of biopsy sites with intestinalization (n, %)
4
9 (3.2)
3
10 (3.6)
2
17 (6.1)
1
45 (16.0)
0
199 (71.1)
GIM subtype (n, %)
81 (28.9)
Complete
45 (55.6)
Incomplete
24 (29.6)
Unidentified
12 (14.8)
Gastric biopsy sites with incomplete GIM detection (n, %)
Antrum (lesser curvature)
17 (70.8)
Incisura angularis
12 (50.0)
Corpus (lesser curvature)
10 (47.7)
Antrum (greater curvature)
6 (25.0)
Corpus (greater curvature)
0
Dysplasia (n, %)
High grade
0
Low grade
7 (2.5)
OLGA: operative link on gastritis assessment gastritis stage, GIM: gastric intestinal metaplasia.
