Table 3.
Pathological diagnosis on biopsy of normal upper GI tract and cost per positive finding.
| Pathological finding | Abnormal histology (%) (absolute number) | Cost/positive finding ($ CAD) |
|---|---|---|
| Esophagus | ||
| Reflux esophagitis | 16% (81/502) | $489 |
| Eosinophilic esophagitis | 3% (13/502) | $2963 |
| Barrett's esophagus | 1% (4/502) | $8889 |
|
| ||
| Stomach | ||
| Chronic gastritis | 23% (243/1054) | $351 |
| Chronic gastritis with IM | 4% (42/1054) | $2282 |
| HP gastritis | 6% (62/1054) | $1404 |
| HP gastritis with IM | 1% (12/1054) | $6086 |
| Reactive gastropathy | 7% (69/1054) | $1217 |
| Reactive changes | 1% (15/1054) | $6086 |
|
| ||
| Duodenum | ||
| Increased IEL | 6% (54/918) | $450 |
| Duodenitis | 2% (22/918) | $3501 |
| Celiac disease | 3% (25/918) | $3024 |
| Lymphoid hyperplasia | 0.5% (5/918) | $16631 |
IM = intestinal metaplasia, HP = Helicobacter pylori, and IEL = intraepithelial lymphocytes.
The percentages expressed in this table identify the yield of the diagnosis in patients with macroscopically normal EGDs that were biopsied.