Variable

Yes

No

Positive Endoscopic Findings

891 (88.1%)

120 (11.9%)

Regions where Endoscopy was Performed

1) Esophagus, Stomach and Duodenum

960 (95.0%)

51 (5.0%)

2) Esophagus and Stomach Only

25 (2.5%)

986 (97.5%)

3) Esophagus Only

26 (2.5%)

985 (97.5%)

Normal Upper G.I. Mucosa

395 (39.1%)

616 (60.9%)