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Table 4 The relationship between FPI scores and the 3D PD-US characteristics (r)

From: The effect of fertility stress on endometrial and subendometrial blood flow among infertile women

  Social concern Relationship concern Need for parenthood Rejection of childfree lifestyle Sexual concern Total FPI score
Endometrial thickness 0.048 −0.044 −0.027 −0.02 0.06 0.006
Endometrial echogenicity −0.029 −0.018 0.034 −0.052 −0.11 −0.043
Endometrial V 0.105 0.009 0.081 0.025 0.020 0.072
Endometrial VI 0.007 0.049 0.092 −0.021 −0.035 0.031
Endometrial FI −0.233** −0.220** −0.237** −0.153** −0.183** −0.304**
Endometrial VFI 0.016 0.077 0.088 −0.028 0.012 0.052
Subendometrial V −0.017 −0.023 0.107 0.078 −0.047 0.029
Subendometrial VI −0.035 0.013 0.107 −0.100 −0.111 −0.031
Subendometrial FI −0.350** −0.313** −0.229** −0.195** −0.291** −0.407**
Subendometrial VFI −0.010 0.019 0.111 −0.110 −0.087 −0.016
  1. V, Volume; VI, Vascularization index; FI, Flow index; VFI, Vascularization-flow index
  2. **: P < 0.001
  3. Pearson correlation coefficient (r) was used to determine the relationship between the FPI scores and the 3D PD-US characteristics