Table 4 Correlation of MPA Doppler indices with advancing gestational age
G AGE | At/Et | PSV | PI | ||
|---|---|---|---|---|---|
Spearman's rho | |||||
G AGE | Correlation Coefficient | 1.000 | 0.229 | 0.973 | − 0.317 |
Sig. (2-tailed) | – | 0.022 | 0.000 | 0.001 | |
N | 342 | 342 | 342 | 342 | |
At/Et | Correlation Coefficient | 0.229 | 1.000 | 0.240 | − 0.017 |
Sig. (2-tailed) | 0.022 | – | 0.016 | 0.864 | |
N | 342 | 342 | 342 | 342 | |
PSV | Correlation Coefficient | 0.473 | 0.240 | 1.000 | -0.355 |
Sig. (2-tailed) | 0.000 | 0.016 | – | 0.000 | |
N | 342 | 342 | 342 | 342 | |
PI | Correlation Coefficient | − 0.317 | − 0.017 | − 0.355 | 1.000 |
Sig. (2-tailed) | 0.001 | 0.864 | 0.000 | – | |
N | 342 | 342 | 342 | 342 | |
RI | Correlation Coefficient | − 0.313 | 0.103 | − 0.020 | 0.048 |
Sig. (2-tailed) | 0.901 | 0.309 | 0.845 | 0.638 | |
N | 342 | 342 | 342 | 342 | |