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Table 4 Risk ratio estimates of direct and indirect effects of age on live birth

From: Age effect on in vitro fertilization pregnancy mediated by anti-Mullerian hormone (AMH) and modified by follicle stimulating hormone (FSH)

 

Direct Effect

Indirect Effect

Proportion Mediated

 

Risk Ratio*

p-values

Risk Ratio*

p-values

Proportion

AMH

0.57 (0.54, 0.59)

<0.001

0.90 (0.89, 0.90)

<0.001

0.16 (0.14, 0.18)

FSH

0.53 (0.50, 0.56)

<0.001

0.97 (0.96, 0.97)

<0.001

0.05 (0.04, 0.06)

AMH + int

0.57 (0.54, 0.60)

<0.001

0.88 (0.87, 0.90)

<0.001

0.18 (0.16, 0.21)

FSH + int

0.53 (0.50, 0.56)

<0.001

0.96 (0.95, 0.97)

<0.001

0.06 (0.05, 0.08)

  1. Effects were estimated for the comparison of live birth rate between women with 39 years old and 32 years old.