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Table 2 Multiple linear regression analysis in PCOS women.

From: Serum 25-Hydroxyvitamin D Levels, phosphoprotein enriched in diabetes gene product (PED/PEA-15) and leptin-to-adiponectin ratio in women with PCOS

Independent variables:

BMI, insulin, 25(OH)D, L/A, FAI

Step

Variables inserted in the model

p

R2

1

insulin

<0.001

0.26

2

insulin

25(OH)D

<0.001

0.001

0.33

Variables excluded from the model:

BMI, L/A, FAI

  1. Variations in PED/PEA-15 abundance explained by stepwise model (p to include < 0.05, p to remove > 0.1), with selected variables in PCOS women (n = 90). BMI, body mass index; 25(OH)D, 25(OH) Vitamin D; PED/PEA-15, L/A, leptin-to-adiponectin ratio; FAI, free androgen index.