Table 2.

Characteristics of Costa Rican and Japanese dyspeptic patients

	Costa Rican			Japanese
	AG	NAG	P-value	AG	NAG	P-value
Patients number	29	66		48	47
Sex (M/F)	15/14	26/40	0.264	24/24	26/21	0.604
mean age ± SD (yr)	54.8 ± 12.9	48.9 ± 12.8	0.041	68.4 ± 10.2	58.4 ± 14.1	< 0.001

AG: Atrophic gastritis; NAG: Non-atrophic gastritis; SD: Standard deviation.