Table 1.
Demographic distribution of cases
| Group A (n = 50) | Group B (n = 50) | |
|---|---|---|
| Mean age (years) | 26.46 | 26.62 |
| Mean period of gestation (weeks) | 24.48 | 23.94 |
| Parity ≥2 (% of cases) | 68 | 56 |
| Soecioeconomic status class IV or lower (% of cases) | 76 | 80 |
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