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 | ||||