Placental features | No†| Past††| Past vs | Active♣ | Active vs No inf. | Acute Inf. | Acute vs No inf. | Chronic Inf. | Chronic vs No inf. |
---|---|---|---|---|---|---|---|---|---|
Inf. | Inf. | No inf. | Inf. | ||||||
n = 454 | n = 14 | p-value | n = 38 | p value | n = 20 | p value | n = 18 | p value | |
Syncytial Knots | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Normal, n (%) | 414 (91.2) | 8 (57.1) | <0.001 | 18 (47.4) | <0.0001 | 12 (60.0) | 0.0003 | 6 (33.3) | <0.0001 |
Increased (>1/3), n(%) | 40 (8.8) | 6 (42.9) | Â | 20 (52.6) | Â | 8 (40.0) | Â | 12 (66.7) | Â |
Fibrinoid necrosis | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Absent, n (%) | 393 (86.5) | 7 (50.0) | Â | 27 (71.1) | Â | 20 (100.0) | Â | 7 (38.9) | Â |
Focal, n (%) | 58 (12.8) | 6 (42.9) | 0.0001 | 9 (23.6) | 0.003 | 0 | 0.15 | 9 (50.0) | <0.0001 |
Diffuse, n (%) | 3 (0.7) | 1 (7.1) | Â | 2 (5.3) | Â | 0 | Â | 2 (11.1) | Â |
Calcification | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Absent, n (%) | 416 (91.6) | 9 (64.3) | Â | 29 (76.3) | Â | 20 (100.0) | Â | 9 (50.0) | Â |
Focal, n (%) | 31 (6.8) | 4 (28.6) | 0.002 | 7 (18.4) | 0.008 | 0 | 0.30 | 7 (38.9) | <0.0001 |
Diffuse, n (%) | 7 (1.6) | 1 (7.1) | Â | 2 (5.3) | Â | 0 | Â | 2 (11.1) | Â |
IVS * PMN cell | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Absent, n (%) | 340 (74.9) | 13 (92.9) | Â | 26 (70.3) | Â | 14 (70.0) | Â | 12 (70.6) | Â |
Mild, n (%) | 80 (17.6) | 1 (7.1) | 0.47 | 9 (24.3) | 0.75 | 4 (20.0) | 0.93 | 5 (29.4) | 0.45 |
Moderate, n (%) | 33 (7.3) | 0 | Â | 2 (5.4) | Â | 2 (10.0) | Â | 0 | Â |
Severe, n (%) | 1 (0.2) | 0 | Â | 0 | Â | 0 | Â | 0 | Â |
IVS * monocyte | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Absent, n (%) | 358 (78.8) | 11 (78.6) | Â | 3 (7.9) | Â | 1 (5.0) | Â | 2 (11.1) | Â |
Mild, n (%) | 74 (16.3) | 3 (21.4) | 0.63 | 24 (63.2) | <0.0001 | 12 (60.0) | <0.0001 | 12 (66.7) | <0.0001 |
Moderate, n (%) | 22 (4.9) | 0 | Â | 10 (26.3) | Â | 6 (30.0) | Â | 4 (22.2) | Â |
Severe, n (%) | 0 | 0 | Â | 1 (2.6) | Â | 1 (5.0) | Â | 0 | Â |
IVS * fibrin | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Absent, n (%) | 134 (29.5) | 0 | Â | 4 (10.5) | Â | 4 (20.0) | Â | 0 | Â |
Mild, n (%) | 268 (59.0) | 5 (35.7) | <0.001 | 25 (65.8) | 0.0002 | 15 (75.0) | <0.47 | 10 (55.6) | <0.0001 |
Moderate, n (%) | 52 (11.5) | 9 (64.3) | Â | 8 (21.1) | Â | 1 (5.0) | Â | 7 (38.9) | Â |
Severe, n (%) | 0 | 0 | Â | 1 (2.6) | Â | 0 | Â | 1 (5.5) | Â |