Table 2.
Distribution of the studied groups regarding their obstetric history
| Obstetric history | Study group (n = 75) |
Control group (n = 75) |
Test | P value | ||
|---|---|---|---|---|---|---|
| No | % | No | % | |||
| Number of gravida: | Z = 1.214 | 0.226 | ||||
| 1 | 36 | 48 | 38 | 51 | ||
| 2–3 | 38 | 51 | 24 | 32 | ||
| 4 | 1 | 1 | 13 | 17 | ||
| Range | 1–3 | 1–4 | ||||
| Mean ± SD | 2.4 ± 1.1 | 1.8 ± 0.5 | ||||
| Para: | Z = 1.168 | 0.243 | ||||
| Prime | 37 | 49 | 38 | 51 | ||
| 1–2 | 38 | 51 | 24 | 32 | ||
| 3 | 0 | 0 | 13 | 17 | ||
| Mean ± SD | 1.3 ± 1.2 | 0.9 ± 0.5 | ||||
| The total number of abortions | Z = 1.411 | 0.457 | ||||
| Yes | 8 | 10.5 | 6 | 7.5 | ||
| No | 67 | 89.5 | 69 | 92.5 | ||
| Weeks of the present pregnancy: | t = 3.95 | 0.001* | ||||
| Mean ± SD | 36.4 ± 1.2 | 33.8 ± 3.5 | ||||
T: t-test, Z: Mann Whitney test, *significant at P ≤ 0.05