Clinical Problems and Associated Tests Used in the Trial
| Clinical Problems | Tests |
|---|---|
| BUN = blood urea nitrogen; ECG = electrocardiogram; ALT = alanine aminotransferase; AST = aspartate aminotransferase; LDH = lactic dehydrogenase. | |
| *Tests that are inappropriate according to national evidence-based guidelines on upper abdominal complaints (see Supplemental Appendix). | |
| Cardiovascular conditions | Cholesterol, subfractions, potassium, sodium, creatinine, BUN, ECG (exercise) |
| Lower abdominal complaints | Prostate-specific antigen, C-reactive protein, ultrasound scan of the kidney, intravenous pyelogram, double-contrast barium enema, sigmoidoscopy |
| Upper abdominal complaints | ALT, AST,* LDH*, amylase,* γ-glutamyltrans- ferase, bilirubin,* alkaline phosphatase,* ultrasound scan of hepatobiliary tract |