Doppler index | Transformation | Constant | SD | r2 | P-value | 95% CI around regression slope coefficients |
---|---|---|---|---|---|---|
UA-PI | – | 2.441–0.0648GA + 0.0007GA2 | 0.1981 | 0.349 | < 0.001 | − 0.1063 – − 0.0233 for GA − 0.0001 - 0.0015 for GA2 |
MCA-PI | – | − 0.325 + 0.1286GA - 0.0021GA2 | 0.2358 | 0.169 | < 0.001 | 0.0792–0.178 for GA − 0.003 - -0.0011 for GA2 |
CPR | log10 | − 0.7936 + 0.0544GA – 0.0007GA2 | 0.0882 | 0.45 | < 0.001 | 0.036–0.073 for GA − 0.0011 - -0.0004 for GA2 |
MCA-PSV | – | 38.4–1.917GA + 0.0647GA2 | 6.651 | 0.595 | < 0.001 | −3.311 – − 0.5235 for GA 0.0387–0.0907 for GA2 |
DV-PIV | log10 | 0.2189–0.029GA + 0.0004GA2 | 0.1156 | 0.135 | < 0.001 | − 0.0533 – 0.0048 for GA − 0.0001 - 0.0008 for GA2 |
DV-S/a | log10 | 0.5817–0.0185GA + 0.0002GA2 | 0.078 | 0.143 | < 0.001 | − 0.0349 – − 0.0022 for GA − 0.0001 - 0.0005 for GA2 |
DV-E | – | 0.0235 + 0.0025GA - 0.00004GA2 | 0.0101 | 0.035 | < 0.001 | 0.0004–0.0046 for GA − 0.00008 - -0.000001 for GA2 |
MV-E/A | – | 0.391 + 0.011GA | 0.0728 | 0.380 | < 0.001 | 0.0097–0.0124 for GA |
TV-E/A | – | 0.422 + 0.011GA | 0.0666 | 0.426 | < 0.001 | 0.0099–0.0124 for GA |
oICT | – | 44.82–1.138GA + 0.0247GA2 | 5.51 | 0.038 | < 0.001 | − 2.292 – 0.0166 for GA 0.0031–0.0463 for GA2 |
oIRT | log10 | 1.491 + 0.0049GA | 0.0607 | 0.147 | < 0.001 | 0.0038–0.006 for GA |
oLV-MPI | log10 | −0.2757 - 0.0098GA + 0.0003GA2 | 0.0512 | 0.122 | < 0.001 | − 0.0206 – 0.0009 for GA 0.00005–0.00045 for GA2 |
pICT | log10 | 1.468–0.0026GA + 0.0001GA2 | 0.0812 | 0.063 | < 0.001 | − 0.0196 – 0.0144 for GA − 0.0002 - 0.0004 for GA2 |
pIRT | log10 | 1.453 + 0.0054GA | 0.0596 | 0.181 | < 0.001 | 0.0044–0.0065 for GA |
pLV-MPI | log10 | − 0.3855 - 0.0044GA + 0.0002GA2 | 0.0592 | 0.141 | < 0.001 | −0.0168 – 0.0008 for GA − 0.00006 - 0.0004 for GA2 |
TI | – | 156.4 + 6.161GA - 0.0972GA2 | 13.84 | 0.139 | < 0.001 | 3.26–9.062 for GA − 0.1514 - -0.043 for GA2 |
RV-MPI | – | 0.1191 + 0.0188GA - 0.0003GA2 | 0.0742 | 0.107 | < 0.001 | 0.0033–0.0343 for GA − 0.0006 - 0.00003 for GA2 |