Table 3.

Prevalence of histological diagnoses according to biopsy location; Alaska 1998–2005.

Histological outcome	Antrum (n = 408)	Fundus (n = 369)	p-value (antrum vs. fundus)	Antrum or fundus (n = 432)
Acute gastritis	48% (n = 194)	30% (n = 109)	< 0.0001	54% (n = 233)
Mild	45%	69%	0.004	46%
Moderate	48%	28%		46%
Severe	7%	4%		7%
Chronic gastritis	83% (n = 337)	74% (n = 273)	0.0001	86% (n = 372)
Mild	31%	66%		33%
Moderate	55%	29%	<0.0001	52%
Severe	14%	5%		15%
Intestinal metaplasia	12% (n = 49)	1% (n = 5)	<0.0001	12% (n = 51)
Focal	39%	40%	0.22	39%
Patchy	59%	40%		59%
Diffuse	2%	20%		4%
Gastric carcinoma	0.5% (n = 2)	0%	Not tested	0.5% (n = 2)
MALT lymphoma	0.5% (n = 2)	0.3% (n = 1)	Not tested	0.5% (n = 2)
H. pylori present	54% (n = 220)	54% (n = 199)	0.47	60% (n = 259)
Focal	20%	32%	<0.0001	17%
Moderate	47%	53%		47%
Numerous	33%	16%		35%