10 November 2020>: Clinical Research
Comparison of Superb Microvascular Imaging and Conventional Doppler Imaging Techniques for Evaluating Placental Microcirculation: A Prospective Study
Li Sun 1BCDEF , Ningning Li 2BF , Lu Jia 2DF , Cui Zhang 2DF , Shuxia Wang 1DF , Ronghong Jiao 1DF , Li Wang 2ABE* , Yuquan Ye 1AE*DOI: 10.12659/MSM.926215
Med Sci Monit 2020; 26:e926215
Table 2 The correlation between age, weight, or gestational week and placental microcirculation indexes undergoing CDFI and SMI.
Parameters | Age | Weight | Gestational week | |||
---|---|---|---|---|---|---|
r | P value | r | P value | r | P value | |
CDFI: PI | −0.12 | 0.221 | −0.04 | 0.689 | −0.25 | 0.008 |
CDFI: RI | −0.11 | 0.246 | 0.02 | 0.812 | −0.28 | 0.004 |
CDFI: S/D | −0.16 | 0.103 | −0.02 | 0.845 | −0.23 | 0.015 |
CDFI: TAV | 0.01 | 0.940 | −0.03 | 0.731 | 0.12 | 0.203 |
CDFI: Count per unit area of vessel counts | −0.01 | 0.904 | −0.13 | 0.167 | −0.23 | 0.014 |
SMI: PI | −0.04 | 0.690 | 0.06 | 0.570 | 0.05 | 0.620 |
SMI: RI | 0.06 | 0.542 | 0.19 | 0.048 | 0.40 | |
SMI: S/D | −0.03 | 0.736 | 0.10 | 0.293 | 0.31 | 0.001 |
SMI: TAV | 0.08 | 0.383 | −0.19 | 0.051 | −0.06 | 0.501 |
SMI: Count per unit area of vessel counts | −0.09 | 0.342 | −0.20 | 0.040 | −0.02 | 0.835 |
* Spearman rank correlation. |