Table 2.

Baseline characteristics of the endoscopically-evaluated group

Characteristics		Values
Age (years), mean ± SD (range)		62.3 ± 13.7 (14–95)
Sex (M/F)		860/457
ABC method	True A	243
	Pseudo A	80
	B	452
	C	474
	D	68
Gastrin (pg/mL), mean ± SD		198.26 ± 136.47
PG I (ng/mL), mean ± SD		56.9 ± 40.7
PG II (ng/mL), mean ± SD		19.4 ± 14.4
PG I/II ratio, mean ± SD		3.39 ± 1.98
Endoscopic atrophy	None	289
	Closed	208
	Open	820
Patients with cancer		21

PG Pepsinogen, SD Standard deviation