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Table 3 Spiral flow parameters in women without PCOS whose subendometrial flow can be detected (n = 165) according to BMIs (kg/m 2 )

From: Impact of obesity on endometrial blood flow in women without polycystic ovarian syndrome during intracytoplasmic sperm injection

 

BMI < 18.5

18.5 ≤ BMI < 24

24 ≤ BMI < 28

BMI ≥ 28

P

 

(n = 33)

(n = 69)

(n = 34)

(n = 29)

 

Spiral PI

1.00 (0.80-1.39)

0.96 (0.75-1.45)

1.14 (0.78-1.55)

1.29 (0.77-1.62)

<0.05 a, b

Spiral RI

0.59 (0.52-0.64)

0.60 (0.52-0.67)

0.61 (0.56-0.62)

0.61 (0.56-0.70)

0.483

Spiral S/D

2.91 (2.72-3.21)

2.90 (2.60-3.24)

2.95 (2.70-3.41)

3.02 (2.71-3.35)

0.382

  1. Note: Values are median (range). RI  resistance index, PI  pulsatility Index, S/D  the ratio between peak systolic flow and lowest diastolic flow.
  2. a P value obtained by group-to-group comparison, BMI < 18.5 kg/m2 vs. ≥28 kg/m2.
  3. b P value obtained by group-to-group comparison, 18.5 ≤ BMI < 24 kg/m2 vs. ≥28 kg/m2.