Comparison of Superb Microvascular Imaging and Conventional Doppler Imaging Techniques for Evaluating Placental Microcirculation: A Prospective Study

10 November 2020 : Clinical Research

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

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Table 2 The correlation between age, weight, or gestational week and placental microcirculation indexes undergoing CDFI and SMI.

Parameters	Age		Weight		Gestational week
Parameters	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	<0.001
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.

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