Table II.
The frequency of other placental lesions in women with and without acute atherosis
| Placental lesions | Absence of atherosis (n=14,460) | Presence of Atherosis (n=326) | P value |
|---|---|---|---|
| Amniotic fluid infection (Any) | 28.3% (4074/14389) | 14.7% (48/326) | <0.001 |
| • Maternal Response | 26% (3,745/14,396) | 14.4% (47/326) | <0.001 |
| • Fetal Response | 17.5% (2,527/14,409) | 7.4% (24/326) | <0.001 |
| Maternal underperfusion* (Any) | 22.9% (3306/14460) | 70.9% (231/326) | <0.0001 |
| • Presence of villous changes | 16.5% (2378/14460) | 58% (189/326) | <0.001 |
| • Presence of vascular lesions* | 8.2%(1190/14460) | 31.9% (104/326) | <0.001 |
| Fetal thrombo-occlusive disease (Any) | 8.8% (1275/14460) | 14.4% (47/326) | 0.0005 |
| • Presence of villous changes | 6.6% (943/14460) | 3% (29/326) | 0.09 |
| • Presence of vascular lesions | 2.7% (390/14460) | 6.7% (22/326) | <0.001 |
| Any chronic inflammatory lesion**(Any) | 43.3% (1,424/3,290) | 59.4% (57/96) | 0.002 |
| • Chronic chorioamnionitis | 25.6% (843/3290) | 39.6% (38/96) | 0.002 |
| • Chronic deciduitis | 20.2% (664/3290) | 29.2% (28/96) | 0.03 |
| • Villitis of unknown etiology | 16.8% (551/3290) | 13.5% (13/96) | 0.41 |
| [0]Note: *=excludes acute atherosis of basal plate arteries and/or decidual arterioles **=restricted to patients enrolled in or beyond year 2010, when the presence or absence of chronic inflammatory lesions was universally recorded. | |||
*
Among women enrolled in or beyond 2010, when the presence or absence of chronic inflammatory lesions was universally recorded.
**
Restricted to patients enrolled in or beyond year 2010, when the presence or absence of chronic inflammatory lesions was universally recorded.