Table 5.
Placental characteristics for the total study population and subgroups positive and negative SARS-CoV-2 immunohistochemical placentas.
| Total (n = 39) | SARS-CoV-2 Immunohistochemical Positive Placenta (n = 4) | SARS-CoV2 Immunohistochemical Negative Placenta (n = 35) | Historical Healthy Term Controls, n = 583 [30,33] | ||
|---|---|---|---|---|---|
| Perivillous fibrin, n (%) | 9 (23.1) | 4 (100.0) | 5 (14.3) | 0.000 | 0.028–0.5% |
| Fibrinoid Necrosis, n (%) | 4 (10.3) | 4 (100.0) | 0 (0.0) | 0.000 | Not present |
| Maternal CD20+ B-cell infiltrate, n (%) | 5 (12.8) | 4 (100.0) | 1 (2.9) | 0.000 | Not present |
| PCR maternal side positive (n = 30) | 2 positive (5.1) |
2 (50.0) | 0 (0.0) | 0.000 | |
| PCR foetal side positive (n = 29) | 2 positive (5.1) | 2 (50.0) | 0 (0.0) | 0.000 |
Data are presented in number (n) and percentage (%). n, number; %, percentage.