Table 3.
Logistic regression analysis of maternal‐fetal Doppler parameters of the pregnant women recovered from COVID‐19 and control groups
| Univariate model | Multivariate model | |||||
|---|---|---|---|---|---|---|
| OR | % 95 CI | p‐Values | OR | % 95 CI | p‐Values | |
| Gestational age at Doppler US assessment | 0.99 | 0.88–1.13 | 0.933 | |||
| Mean uterine artery PI | 23.00 | 3.25–162.55 | 0.002 | > 1000 | 9.77–>1000 | 0.009 |
| Mean uterine artery RI | 327.68 | 3.85–>1000 | 0.011 | 0.000 | 0.000–0.944 | 0.049 |
| Umbilical artery PI | 15.39 | 1.04–226.85 | 0.046 | |||
| Umbilical artery RI | > 1000 | 11.79–>1000 | 0.007 | |||
| Middle cerebral artery PI | 2.08 | 0.56–7.78 | 0.275 | |||
| Middle cerebral artery RI | 3.57 | 0.12–110.07 | 0.467 | |||
| Cerebroplacental ratio | 0.60 | 0.23–1.57 | 0.295 | |||
Note: Logistic regression (forward LR). Significance level is p < 0.05. Abbreviations: CI, confidence interval, Presented OR with 95% CIs; OR, odds ratio; PI, pulsatility index; RI, resistance index; US, ultrasound.