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Table 2 Comparison of VTQ (SWV) in the second and third trimester pregnancies in normal and high-risk pregnancies

From: Shear wave velocity by quantitative acoustic radiation force impulse in the placenta of normal and high-risk pregnancy

  SWV in the second trimester group SWV in the third trimester
Min-max Mean ± SD P value Min-max Mean ±SD P value
Normal 0.59–1.46 0.85 ± 0.43 NA 0.73–2.11 0.89 ± 0.57 NA
Hypertension 0.66–1.62 0.95 ± 0.65 0.43 0.86–2.92 1.23 ± 0.72 0.01
Preeclapsia/eclampsia 1.26–3.72 2.13 ± 1.48 < 0.001 1.34–4.12 2.23 ± 1.48 < 0.001
Diabetes 0.74-2.45 0.94 ± 1.21 0.06 0.82 –2.91 1.3 ± 0.81 < 0.05
Placenta previa 0.74–2.11 1.1 ± 0.74 0.05 0.92–2.71 1.6 ± 0.81 0.03
Morbidly adherent placenta (MAP) 1.1–2.31 1.6 ± 0.65 0.001 1.4–2.62 1.96 ± 0.71 0.001
Thyroid disease 0.73–1.63 0.91 ± 0.54 0.53 0.67–1.73 0.93 ± 0.54 0.47
Renal disease 0.91–2.5 1.51 ± 0.65 < 0.05 1.01–2.62 1.41 ± 0.66 < 0.05
Auto-immune disease 1.03–3.3 1.98 ± 0.71 < 0.001 1.24–3.72 1.98 ± 0.71 < 0.001
Obesity 0.82–1.75 0.93 ± 0.56 0.37 0.89–1.75 0.99 ± 0.71 0.45
Teen age 0.64–1.81 0.83 ± 47 0.73 0.78–1.69 0.89 ± 63 0.5
Old primigravida 1.12–2.71 1.35 ± 0.64 0.02 1.31–3.31 1.55 ± 0.59 0.01
Cardiac disorders 0.76–2.21 0.92 ± 0.54 0.32 0.91–2.01 0.92 ± 0.34 0.5