Table 5.
Birthweight below the 50th percentile, small-for-gestational-age neonate, birthweight-to-placenta-weight and mean amniotic fluid concentrations of erythropoietin (EPO), cardiac troponin I (cTnI), and glial fibrillary acidic protein (GFAP) according to the pattern of raised amniotic fluid concentration of EPO in cases of fetal death
| Raised EPO only (n=5) |
Raised EPO and cTnI (n=23) |
Raised EPO and GFAP (n=8) |
Raised EPO, cTnI and GFAP (n=19) |
P-valuea | |
|---|---|---|---|---|---|
| Birthweight <50th centile | 4 | 18/21 | 6 | 15 | 0.87 |
| Small-for-gestational-age neonate | 1 | 10/21 | 2 | 5 | 0.47 |
| Birthweight-to-placenta-weight ratio | 4.95 | 3.75 | 4.35 | 3.68 | 0.40 |
| Mean amniotic fluid concentration | |||||
| EPO (mIU/mL) | 27.24 | 226.93 | 261.62 | 724.30 | 0.41 |
| cTnI (pg/mL) | 67.27 | 232.48 | 70.93 | 380.38 | <0.001 |
| GFAP (ng/mL) | 1.1 | 1.65 | 3.66 | 4.24 | <0.001 |
a
Kruskal-Wallis test for continuous variables and exact tests for categorical variables.