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Combinations of high and low stress (PSS ≥ 30 and < 30) and high and low CV-βD (above and below the median) at 16–20 weeks of gestation among women who went on to deliver spontaneously preterm (sPTB) and term.
| sPTB (n=110) | Term (n=409) | Chi Square P | |
|---|---|---|---|
| Combinations of stress and CV-βD | n (col %) | n (col %) | 0.038 |
| Low stress, high CV-βD | 32 (29.1) | 158 (38.6) | |
| Low stress, low CV-βD | 49 (44.5) | 177 (43.3) | |
| High stress, high CV-βD | 15 (13.6) | 51 (12.5) | |
| High stress, low CV-βD | 14 (12.7) | 23 (5.6) |
