| Variable | Category | Analytic sample | Missing sample | X2 -test | P-value |
|---|---|---|---|---|---|
| Weighted frequency (%) | Weighted frequency (%) | ||||
| Perinatal death | Yes | 130(3.9) | 17( 4.4) | 0.414 | 0.255 |
| No | 3192(96.1) | 359( 95.6) |
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