Table 5.
Distribution of histological findings in relation to clinical severity of preeclampsia (PE) and non-preeclampsia groups.
| Histological findings | Mild PE, n (%) | Severe PE, n (%) | Eclampsia, n (%) | Control, n (%) | p value of mild PE, severe PE, and eclampsia, resp. |
|---|---|---|---|---|---|
| Stromal oedema | 5 (35.7) | 24 (61.5) | 2 (25.0) | 55 (45.1) | 0.500; 0.070; 0.460 |
| Stromal fibrosis | 7 (50.0) | 19 (48.7) | 3 (37.5) | 38 (31.1) | 0.260; 0.070; 0.990 |
| Syncytial knots | 7 (50.0) | 17 (43.6) | 5 (62.5) | 35 (28.7) | 0.120; 0.070; 0.070 |
| Cytotrophoblastic proliferation | 6 (42.9) | 28 (71.8) | 6 (75.0) | 31 (25.4) | 0.280; 0.001; 0.010 |
| Accelerated villous maturation | 8 (57.1) | 27 (69.2) | 6 (75.0) | 38 (31.1) | 0.100; 0.001; 0.001 |
| Decidual arteriopathy | 9 (64.3) | 30 (76.9) | 7 (87.5) | 43 (35.2) | 0.670; 0.001; 0.001 |