Table 3.
Correlation of villous architecture with clinical outcomes
| Clinical parameter | Villous size/μm2 | Vascularity (number of vessels/villus) | Number of villi/10 hpf | Villous perimeter (μm/villos) | Villous perimeter (total per 10 hpf) |
|---|---|---|---|---|---|
| Placental weight |
0.995 |
0.547 |
0.975 |
0.761 |
0.208 |
| Gestational Age at delivery |
0.043* |
0.364 |
0.247 |
0.968 |
0.310 |
| Maternal anaemia Gradea |
0.656 |
0.354 |
0.0034** |
0.525 |
0.214 |
| Maternal haematocrit %b |
0.142 |
0.922 |
0.009** |
0.760 |
0.346 |
| Birthweight | 0.833 | 0.567 | 0.441 | 0.454 | 0.179 |
aMaternal anaemia graded by haematocrit at infection (0 = normal, 1 = 25-30%, 2 = <25%, see Methods).
b% maternal haematocrit at infection.
Figures in bold are significant at *P<0.05 and **P<0.01.