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Table 3 The 3D PD-US characteristics of the three groups

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

Parameter Control (n = 80) Low-scoregroup (n = 150) High-score group (n = 150)
Endometrial thickness (mm) 7.38 ± 2.07 7.42 ± 2.58 6.93 ± 2.31
Endometrial volume (cm3) 2.36 ± 0.97 2.16 ± 1.08 2.33 ± 0.97
Endometrial vascularization index (%) 2.92 ± 3.30 3.43 ± 3.93 3.49 ± 3.44
Endometrial flow index 24.61 ± 6.10** 20.59 ± 4.98** 17.98 ± 6.27**
Endometrial vascularization-flow index 0.75 ± 0.96 0.63 ± 0.74 0.69 ± 0.73
Subendometrial volume 33.17 ± 7.54 30.52 ± 10.40 31.30 ± 8.10
Subendometrial vascularization index (%) 9.93 ± 8.10 10.03 ± 6.37 9.64 ± 5.01
Subendometrial flow index 31.83 ± 4.82** 27.83 ± 4.89** 24.86 ± 5.89**
Subendometrial vascularization-flow index 2.53 ± 1.88 2.62 ± 1.59 2.70 ± 1.35
  1. **: P < 0.001
  2. Single factor variance was used to compare 3 groups of endometrial and subendometrial blood flow indexs