Table 4. Predictive model of HCA obtained through forward conditional binary logistic regression, controlled for latency > 3 days.
| B | S.E. | OR | OR (CI95%) | Sig. | ||
|---|---|---|---|---|---|---|
| Lower | Upper | |||||
| Abdominal pain (Y/N) | 2.452 | .731 | 11.611 | 2.770 | 48.670 | 0.001 |
| Uterine activity (Y/N) | 1.788 | .802 | 5.976 | 1.241 | 28.778 | 0.26 |
| Fever (Y/N) | 1.753 | 1.062 | 5.773 | .721 | 46.241 | 0.099 |
| Latency > 3 days (Y/N) | .756 | .710 | 2.130 | .530 | 8.558 | 0.287 |
| Final CRP | .026 | .008 | 1.027 | 1.011 | 1.042 | 0.001 |
| Constant | -3.985 | .988 | .019 | 0.000 | ||
Fever: ≥ 37.8°C. Abbreviations: HCA = histological chorioamnionitis; CRP = C-reactive protein; B = beta; OR = odds ratio (Exp B); 95% CI = 95% confidence interval, with lower and higher values; Sig. = significance level; S.E. = standard error