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 3 subgroup analyses for placental microcirculation indexes between CDFI and SMI.
Variable | Factors | Group | CDFI (n=110) | SMI (n=110) | Statistic | P value |
---|---|---|---|---|---|---|
PI | Age (years) | ≥30 (n=48) | 0.58 (0.44, 0.70) | 0.76 (0.65, 0.83) | −409.50 | |
0.64 (0.42, 0.77) | 0.76 (0.63, 0.92) | −493.50 | ||||
Weight (Kg) | ≥70 (n=59) | 0.58 (0.42, 0.75) | 0.79 (0.67, 0.92) | −590.50 | ||
0.64 (0.48, 0.76) | 0.75 (0.61, 0.87) | −312.00 | 0.002 | |||
Gestational week | ≥36 (n=41) | 0.54 (0.43, 0.64) | 0.79 (0.67, 0.91) | −7.17 | ||
0.68 (0.48, 0.83) | 0.75 (0.63, 0.89) | −464.00 | 0.004 | |||
RI | Age (years) | ≥30 (n=48) | 0.46 (0.38, 0.50) | 0.71 (0.52, 0.90) | −462.50 | |
0.48 (0.42, 0.54) | 0.71 (0.54, 0.89) | −717.00 | ||||
Weight (Kg) | ≥70 (n=59) | 0.46 (0.39, 0.53) | 0.78 (0.39, 0.53) | −700.00 | ||
0.48 (0.41, 0.52) | 0.59 (0.51, 0.85) | −465.50 | ||||
Gestational week | ≥36 (n=41) | 0.44 (0.38, 0.47) | 0.87 (0.74, 0.94) | −392.50 | ||
0.48 (0.44, 0.54) | 0.57 (0.50, 0.78) | −726.00 | ||||
S/D | Age (years) | ≥30 (n=48) | 1.64 (1.44, 1.93) | 2.23 (1.99, 2.46) | −441.50 | |
1.77 (1.49, 2.10) | 2.24 (2.00, 2.67) | −637.00 | ||||
Weight (Kg) | ≥70 (n=59) | 1.67 (1.47, 2.08) | 2.32 (2.00, 2.67) | −650.50 | ||
1.78 (1.47, 2.05) | 2.20 (1.94, 2.45) | −420.00 | ||||
Gestational week | ≥36 (n=41) | 1.59 (1.47, 1.76) | 2.41 (2.17, 2.67) | −354.50 | ||
1.86 (1.48, 2.11) | 2.10 (1.94, 2.43) | −673.50 | ||||
TAV (cm/s) | Age (years) | ≥30 (n=48) | 22.10 (15.45, 28.80) | 14.25 (12.70, 16.70) | 7.63 | |
22.85 (18.20, 28.60) | 14.45 (11.30, 16.90) | 897.50 | ||||
Weight (Kg) | ≥70 (n=59) | 23.10 (17.40, 27.40) | 13.70 (11.70, 15.50) | 805.00 | ||
22.30 (16.50, 30.10) | 14.60 (12.30, 17.30) | 7.94 | ||||
Gestational week | ≥36 (n=41) | 23.70 (19.50, 28.60) | 13.40 (11.50, 15.30) | 420.50 | ||
21.50 (16.20, 28.60) | 14.60 (12.30, 17.20) | 1055.50 | ||||
Count per unit area of vessel counts (cm) | Age (years) | ≥30 (n=48) | 0.05 (0.02, 0.09) | 0.25 (0.20, 0.34) | −588.00 | |
0.05 (0.02, 0.08) | 0.28 (0.17, 0.35) | −976.50 | ||||
Weight (Kg) | ≥70 (n=59) | 0.04 (0.02, 0.08) | 0.25 (0.17, 0.33) | −885.00 | ||
0.05 (0.03, 0.09) | 0.28 (0.22, 0.38) | −663.00 | ||||
Gestational week | ≥36 (n=41) | 0.03 (0.02, 0.05) | 0.26 (0.20, 0.34) | −14.27 | ||
0.05 (0.03, 0.10) | 0.26 (0.19, 0.36) | −1207.50 |