Table 4.
Comparison of general characteristics and pathological findings between placentas delivered by women with COVID-19 who had previous cesarean section(s) and a pre-COVID-19 control cohort of placentas delivered by women who had previous cesarean section(s)
| General characteristics | COVID-19 (n = 7) Median (range) |
Control (n = 28) Median (range) |
p value | Pathological findings | COVID-19 (n = 7) | Control (n = 28) | p value |
|---|---|---|---|---|---|---|---|
| Maternal age | 36 (25–43) | 34 (26–47) | 0.238 | Chronic villitis/VUE | 2 | 0 | 0.035 |
| Gestational age | 35 (30–38) | 37.5 (32–40) | 0.0002 | Histiocytic intervillositis | 1 | 0 | 0.200 |
| Placental weight | 410 (235–665) | 489 (236–820) | 0.1738 | Acute villitis | 0 | 1 | 0.800 |
| Fetal weight | 2284.5 (950–3130) | 2890 (1830–4160) | 0.09492 | Chronic deciduitis | 1 | 0 | 0.200 |
| Acute deciduitis | 0 | 0 | - | ||||
| Choramniotitis | 0 | 1 | 0.800 | ||||
| Decidual microvascular thrombosis | 1 | 0 | 0.200 | ||||
| Intervillous hemorrhage | 1 | 0 | 0.200 | ||||
| Placental infarction areas | 1 | 1 | 0.365 | ||||
| Intervillous thrombi/fibrin deposition | 2 | 2 | 0.171 | ||||
| Chorangiosis | 1 | 3 | 0.609 | ||||
| Accelerated villous maturation | 3 | 1 | 0.019 | ||||
| Delayed villous maturation | 0 | 6 | 0.232 | ||||
| Distal villous hypoplasia | 1 | 1 | 0.365 | ||||
| Villous edema | 0 | 2 | 0.635 |