Table 1

Patient characteristics

Case	Sex	Age (y)	Biopsy site	Urease activity	Severity of gastritis^1-150	Symptom or diagnosis
1	M	71	Antrum	Negative	Mild	Epigastric discomfort
2	F	81	Antrum	Negative	Normal	Epigastric discomfort
3	F	54	Antrum	Negative	Normal	No symptom
4	M	61	Antrum	Negative	Normal	Epigastric discomfort
5	M	73	Antrum	Negative	Mild	Gastric cancer
6	M	87	Body	Negative	Mild	Gastric ulcer
7	F	62	Antrum	Positive	Severe	Chronic active gastritis
8	M	68	Antrum	Positive	Moderate	Chronic active gastritis
9	M	58	Antrum	Positive	Severe	Chronic active gastritis
10	M	67	Body	Positive	Severe	Gastric cancer
11	F	72	Body	Positive	Moderate	Chronic active gastritis
12	M	74	Antrum	Positive	Severe	Chronic active gastritis

↵1-150 According to the updated Sydney system.18