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Table 4 Multiple linear regression analysis of possible determinants for total dose of gonadotropins in Group 1

From: Association of basal serum testosterone levels with ovarian response and in vitro fertilization outcome

 

Coefficients

 
 

Unstandardized coefficients

Standardized coefficients

 

Independent variables

β

Std. Error

β

t

P value

(constant)

-464.984

819.634

 

-0.567

0.571

Age (years)

-8.988

18.659

-0.032

-0.482

0.631

BMI (kg/m2)

40.781

25.082

0.098

1.626

0.106

Basal T levels (ng/dl)

-8.833

3.516

-0.145

2.512

0.013

Basal FSH level (IU/L)

89.904

31.525

0.166

2.852

0.005

Antral follicle count

-26.244

13.797

-0.109

-1.902

0.059

Starting dose of gonadotropins (IU)

9.633

1.168

0.531

8.244

<0.001

  1. Note: The dependent variable is total dose of gonadotropins. The model (r = 0.647, r2 = 0.419, adjusted r2 = 0.399, P < 0.001).
  2. The values of the standardized coefficients reflect the independent contributions of each predictor to dependent variables.
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Reproductive Biology and Endocrinology

ISSN: 1477-7827

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