Table 7 Regression parameters for the linear–reciprocal regression of multiples of the median (MoM) values against weight (1/weight): expected median MoM = B×(1/weight)+A, where weight is in kg.
| AFP | HCG | uE3 | |
|---|---|---|---|
| A | 0.2452 | 0.6189 | 0.7474 |
| B | 54.0555 | 32.5776 | 19.8874 |
| r2 | 0.1055 | 0.0275 | 0.0267 |
| r | 0.3248 | 0.1659 | 0.1635 |
| p | <0.0001 | <0.0001 | <0.0001 |
| 95% CI for r | 0.2593 to 0.3873 | 0.0955 to 0.2346 | 0.0931 to 0.2323 |
AFP, αfetoprotein; HCG, human chorionic gonadotropin; MoM, multiple of median; uE3, unconjugated oestriol.