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Table 2 Correlation between uterine arteries resistance index, pulsatility index, systolic/diastolic ratios, endometrial thickness, and age of the participants in the unexplained infertility (study) group

From: Role of uterine artery Doppler in assessment of unexplained infertility

  Resistance index Pulsatility index Systolic/diastolic ratio Endometrial thickness
r p value r p value r p value r p value
Age (years) − 0.001& 0.997 − 0.037& 0.822 0.012# 0.939 0.029# 0.859
  1. #Spearman correlation coefficient test is used
  2. &Pearson’s correlation coefficient test is used