Mucosal patterns of Helicobacter pylori-related gastritis without atrophy in the gastric corpus using standard endoscopy

Table 1 Correlation between H. pylori infection and the observed mucosal patterns

Pattern	H. pylori (+)	H. pylori (-)	Total
Type 1	0	7	7
Type 2	0	24	24
Type 3	54	5	59
Type 4	22	0	22
Total	76	36	112

Table 2 The value of various mucosal patterns in predicting negative and positive H. pylori status (%)

Pattern predicting	Sensitivity	Specificity	Positive predictive value	Negative predictive value
H. pylori (-)
Type 1	20	100	100	72
Type 2	67	100	100	86
Type 3	14	29	8	42
H. pylori (+)
Type 3	71	86	92	58
Type 4	29	100	100	40
Type 3+4	100	86	94	100