Table 2.
Initial inflammatory and serologic test results
| Assay/test | Result |
|---|---|
| Erythrocyte sedimentation rate (mm/hour) | 34 |
| C-reactive protein (mg/L) | 8.3 |
| Procalcitonin (ng/mL) | 0.21 |
| Fecal leukocytes | Negative |
| Stool ova and parasite | Negative |
| Cryptosporidium DFA | Negative |
| Giardia DFA | Negative |
| Strongyloides Ab | Negative |
| Clostridium difficile toxin B | Negative |
| Treponema pallidum ELISA | Negative |
| HIV | Negative |
| Interferon gamma release assay | Negative |
| CMV IgG/IgM | Positive/negative |
| Hepatitis A IgG/IgM | Negative |
| Hepatitis B core Ab | Positive |
| Hepatitis B surface Ab | Negative |
| Hepatitis B surface Ag | Negative |
| Hepatitis B e Ag | Negative |
| Hepatitis C Ab | Negative |
| Antinuclear Ab | Negative |
| Anti-mitochondrial Ab | Negative |
| Anti-smooth muscle Ab | Positive |
| Tissue transglutaminase IgA | Negative |
Ab = Antibody; Ag = antigen; ELISA = enzyme-linked immunosorbent assay; HIV = human immunodeficiency virus; IgG = immunoglobulin G; IgM = immunoglobulin M; DFA = direct fluorescent antibody; CMV = cytomegalovirus.