Table 3.
Prevalence by definition of cytomegalovirus-intestinal disease
| Definition | Studies, n | Median | Range |
| HE or IHC1,2[38,44,53,54] | 4 | 6% | 2%-29% |
| HE[20,55] | 2 | 9% | 0%-17% |
| Tissue PCRquantitative > 10 copies/mg[56,57] | 2 | 34% | 30%-38% |
| Serology and (IHC or antigenemia or serum PCR or tissue PCR)[58] | 1 | 6% | - |
| IHC[59] | 1 | 0% | - |
| HE or IHC or tissue PCR[51] | 1 | 33% | - |
| (Pp65 antigenemia or tissue PCRquantitative) and IHC and intestinal symptoms[39] | 1 | NA3 | - |
| IHC positive when inflammation present[52] | 1 | 1% | - |
| Total: 8 | Total: 13 |
1One study tested both before and after iv-steroid administration; 2No data on prevalence: definition is used as the gold standard to compare other diagnostics;
3
No prevalence is reported in this study. PCR: Polymerase chain reaction; HE: Hematoxylin and eosin staining; IHC: Immunohistochemistry.