Placental feature | No†infection | Pf | Pv | Pf vs no infection | Pv vs no Infection | Pf vs Pv |
---|---|---|---|---|---|---|
n = 441 | n =28 | n = 11 | p value | p value | p value | |
Syncytial Knots | Â | Â | Â | Â | Â | Â |
Normal, n (%) | 406 (92.1) | 16 (57.1) | 4 (36.4) | <0.0001 | <0.0001 | 0.03 |
Increased (>1/3), n (%) | 35 (7.9) | 12 (42.9) | 7 (63.6) | Â | Â | Â |
Fibrinoid necrosis | Â | Â | Â | Â | Â | Â |
Absent, n (%) | 380 (86.2) | 24 (85.7) | 9 (81.8) | Â | Â | Â |
Focal, n (%) | 58 (13.2) | 3 (10.7) | 2 (18.2) | 0.25 | 0.85 | 0.68 |
Diffuse, n (%) | 3 (0.6) | 1 (3.6) | 0 | Â | Â | Â |
Intravillous calcification | ||||||
Absent, n (%) | 403 (91.4) | 25 (89.3) | 11 (100.0) | Â | Â | Â |
Focal, n (%) | 31 (7.0) | 2 (7.1) | 0 | 0.73 | 0.59 | 0.52 |
Diffuse, n (%) | 7 (1.6) | 1 (3.6) | 0 | Â | Â | Â |
Intervillous fibrin | Â | Â | Â | Â | Â | Â |
Absent, n (%) | 125 (28.3) | 6 (21.4) | 7 (63.6) | Â | Â | Â |
Mild, n (%) | 265 (60.1) | 20 (71.4) | 4 (36.4) | 0.48 | 0.03 | 0.03 |
Moderate, n (%) | 51 (11.6) | 2 (7.2) | 0 | Â | Â | Â |
Severe, n (%) | 0 | 0 | 0 | Â | Â | Â |
IVS polymorphonuclear cells | ||||||
Absent, n (%) | 335 (75.9) | 19 (70.4) | 3 (27.3) | Â | Â | Â |
Mild, n (%) | 77 (17.5) | 6 (22.2) | 3 (27.3) | 0.91 | <0.0001 | 0.01 |
Moderate, n (%) | 28 (6.4) | 2 (7.4) | 5 (45.4) | Â | Â | Â |
Severe, n (%) | 1 (0.2) | 0 | 0 | Â | Â | Â |
Intervillous monocytes | ||||||
Absent, n (%) | 351 (79.6) | 4 (14.3) | 5 (45.5) | Â | Â | Â |
Mild, n (%) | 69 (15.7) | 13 (46.4) | 5 (45.5) | <0.0001 | 0.02 | 0.12 |
Moderate, n (%) | 21 (4.7) | 10 (35.7) | 1 (9.0) | Â | Â | Â |
Severe, n (%) | 0 | 1 (3.6) | 0 | Â | Â | Â |