Table 1.
Prognostic HLA-G biomarker of symptomatic congenital HCMV infection.
| Parameters | Cutoff | Fetuses | Diagnostic accuracy | AUA | |||||
|---|---|---|---|---|---|---|---|---|---|
| 95% CI | |||||||||
| Sympt | Asympt | Sens% | Spec% | PPV% | NPV% | ||||
| Maternal serum samples | |||||||||
| HLA-G free-heavy chain | Presence | 0 | 0 | 0 | 100 | 0 | 29.4 | 0.5 | |
| Absence | 12 | 5 | 0–26.7 | 47.9–100 | 10.4–55.9 | ||||
| sHLA-G | 50 ng/mL | Above | 10 | 0 | 83.3 | 100 | 100 | 71.4 | 0.83 |
| Below | 2 | 5 | 51.6–97.4 | 47.9–100 | 68.9–100 | 29.3–95.5 | |||
|
| |||||||||
| Amniotic fluid samples | |||||||||
| HLA-G free-heavy chain | Presence | 12 | 3 | 100 | 40 | 80 | 100 | 0.79 | |
| Absence | 0 | 2 | 73.3–100 | 6.4–84.6 | 51.9–95.4 | 19.2–100 | |||
| sHLA-G | 30 ng/mL | Above | 11 | 0 | 91.7 | 100 | 100 | 83.3 | 0.86 |
| Below | 1 | 5 | 61.5–98.6 | 47.9–100 | 71.3–100 | 36.1–97.2 | |||
Sens: sensitivity; Spec: specificity; PPV: positive predictive value; NPV: negative predictive value; AUA: Area Under an ROC Curve; Sympt: symptomatic; Asympt: asymptomatic.