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Table 1 Baseline characteristics of the study groups

From: Metformin induces a prompt decrease in LH-stimulated testosterone response in women with PCOS independent of its insulin-sensitizing effects

 

Metformin

Placebo

No. of subjects

10

9

Age (yrs)

26.10 ± 4.25

27.89 ± 4.83

Weight (kg)

78.97 ± 21,86

95.26 ± 21.64

BMI (kg/m2)

29.90 ± 7.41

32.15 ± 6.10

No. with oligomenorrhea (%)

10 (100%)

8 (89%)

No. with PCO on ultrasound (%)

8 (80%)

7 (78%)

Total testosterone (μg/l)

0.58 ± 0.24

0.66 ± 0.36

SHBG (nmol/l)

35.60 ± 24.09

39.02 ± 33.30

Free testosterone (pg/ml)

1.77 ± 0.99

1.92 ± 0.91

Androstendione (μg/l)

3.65 ± 1.47

3.61 ± 0.91

17-OHP (μg/l)

1.35 ± 0.37

1.22 ± 0.49

Free androgen Index

7.78 ± 4.96

7.92 ± 3.26

Estradiol (ng/l)

36.56 ± 14.06

48.00 ± 20.77

DHEAS (mg/l)

2.50 ± 0.97

1.84 ± 0.79

Fasting glucose (mg/dl)

81.80 ± 6.03

86.89 ± 6.57

AUC glucose

18409.70 ± 2059.30

17987.67 ± 2264.72

(mg/dl x 180 min)

Fasting insulin (μIU/ml)

11.06 ± 6.38

18.04 ± 10.66

AUC insulin

12754.40 ± 8060.54

16671 ± 12663.37

(μUI/ml x 180 min)

No. with IR* (%)

3 (30%)

5 (56%)

  1. Data are given as mean ± SEM unless otherwise noted.
  2. *IR was defined as AUC insulin > 12,000 μUI/ml x 180 min.