TABLE 1.

Demographics and clinical characteristics of patients with sequenced H. pylori isolates^a

Characteristic	Value
Mean age (yr)	56
No. (%) of patients ages (yr):
<21	9 (21)
>21	33 (79)
No. (%) of patients by gender
Female	32 (76)
Male	10 (24)
No. (%) of patients by race
Black	13 (31)
Asian	3 (7)
White	2 (5)
Other	16 (38)
Unavailable or declined	8 (19)
No. (%) of patients by infection status
Primary	22 (52)
Secondary or tertiary	20 (48)
No. (%) of patients by histopathology finding
Evaluation performed	31 (74)
Helicobacter-associated inactive, chronic gastritis	1 (3)
Helicobacter-associated active, chronic gastritis	23 (74)
Helicobacter-associated active, chronic gastritis with focal intestinal metaplasia	7 (23)
No. (%) of patients by antibiotic used in H. pylori treatment regimens prior to biopsy	23 (55)
Amoxicillin and clarithromycin	10 (44)
Amoxicillin and levofloxacin	5 (22)
Amoxicillin and doxycycline or tetracycline	4 (17)
Clarithromycin and doxycycline	2 (9)
Doxycycline, levofloxacin, and metronidazole	1 (4)
Moxifloxacin and rifabutin	1 (4)

^aData are for a total of 42 patients.