Table 3.
Inter-group comparisons of ultrasonographic measurements of the lower uterine segment between cases with and without uterine dehiscence
| Gestation (weeks) | Thickness (mm) | With uterine dehiscence (n = 12) | Without uterine dehiscence (n = 19) | |||
|---|---|---|---|---|---|---|
| Median | Range | Median | Range | P value | ||
| 16–21 | Myometrial | 3.9 | 2.2, 4.4 | 3.3 | 3.0, 4.3 | 0.97 |
| Full LUS | 6.9 | 5.3, 8.2 | 6.1 | 4.9, 7.9 | 0.63 | |
| 22–27 | Myometrial | 2.2 | 2.1, 2.5 | 3.8 | 2.9, 4.9 | 0.003 |
| Full LUS | 5.1 | 4.8, 6.0 | 6.6 | 5.2, 8.3 | 0.064 | |
| 28–33 | Myometrial | 1.2 | 1.0, 1.7 | 2.5 | 1.9, 3.6 | 0.0011 |
| Full LUS | 3.9 | 2.9, 4.5 | 5.9 | 4.1, 7.7 | 0.0037 | |
Bold italics mean a significance of P<0.05
LUS, lower uterine segment