TABLE 2.
Performance characteristics of CMV rapid culture, antigenemia testing, and plasma PCR for lung transplant recipients
| Characteristic | % of results of indicated nature by:
|
||
|---|---|---|---|
| Rapid culture | Antigenemia assay | Qualitative PCR | |
| Sensitivity | 8 (1/13)a | 48 (12/25) | 79 (27/34) |
| Specificity | 100 (401/401)b | 99 (263/265) | 99 (393/398) |
| PPV | 100 (1/1)c | 85 (12/14) | 84 (27/32) |
| NPV | 96 (389/413)d | 98 (263/268) | 99 (393/395) |
a
Number of true-positive assays/total number of assays performed in the presence of CMV disease.
b
Number of true-negative assays/total number of assays performed in the absence of CMV disease.
c
Number of true-positive assays/total number of positive assays.
d
Number of true-negative assays/total number of negative assays.