Table 2.
The paired difference between each method and actual birth weight in engaged and non-engaged fetal head groups
| Paired Differences | P value | |||||
|---|---|---|---|---|---|---|
| Mean | Std. Deviation | Std. Error Mean | 95% confidence interval of the difference | |||
| Lower | Upper | |||||
| Engaged head | ||||||
| EFW by Hadlock - Actual birth weight | 411.96078 | 81.09302 | 11.35529 | 434.76856 | 389.15300 | <0.001 |
| EFW by Isobe - Actual birth weight | 88.23529 | 46.93425 | 6.57211 | 101.43576 | 75.03482 | <0.001 |
| Non engaged head | ||||||
| EFW by Hadlock - Actual birth weight | 57.49020 | 45.87652 | 6.42400 | 70.39317 | 44.58722 | <0.001 |
| EFW by Isobe - Actual birth weight | 347.05882 | 91.65793 | 12.83468 | 372.83803 | 321.27961 | <0.001 |
Significant P values are given in bold (P < 0.005)