Table 2.

Endoscopic findings, n (%)

Variable	n = 3563
Gastritis classification
Chronic non-atrophy gastritis	2489 (69.9)
Chronic mild-atrophy gastritis	819 (23.0)
Chronic moderate-atrophy gastritis	255 (7.1)
Topographical pattern of erosion
Fundus involvement	498 (14.0)
Corpus involvement	642 (18.0)
Antrum involvement	2568 (72.1)
Angle involvement	154 (4.3)
Location involvement
Single	3292 (92.4)
Multiple	271 (7.6)
Erosive lesion number
Single lesion	1747 (49.0)
Multiple lesions	1816 (51.0)
Erosive lesion morphology
Superficial flat	2399 (67.3)
Protrude nodules	1164 (32.7)