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Table 3 Biochemical data of PCOS patients by E 2 levels

From: The correlation of aromatase activity and obesity in women with or without polycystic ovary syndrome

 

P (n = 785)

 
 

E 2 > 293.6 pmol/L (n = 233)

146.8 ≤ E 2 ≤ 293.6 pmol/L (n = 348)

E 2 < 146.8 pmol/L (n = 204)

P

BMI (kg/m2)

23.32 ± 4.58b

23.92 ± 4.90

24.40 ± 5.03

0.034

E2 (pmol/L)

455.73 ± 169.42a,b

212.23 ± 40.01c

97.96 ± 29.27

<0.001

T (nmol/L)

2.97 ± 1.53a,b

2.59 ± 1.55c

2.19 ± 1.59

<0.001

E2/T

0.15 (0.11-0.24)a,b

0.09 (0.06-0.14)c

0.05 (0.03-0.09)

<0.001

FSH (mIU/L)

5.64 ± 3.60a

6.21 ± 2.55

5.97 ± 2.63

<0.001

LH (mIU/L)

12.76 ± 9.97b

12.12 ± 7.30c

10.55 ± 7.71

<0.001

FSH/LH

0.49 (0.33-0.73)b

0.52 (0.37-0.86)c

0.64 (0.41-1.15)

<0.001

  1. Data is shown as means ± SD or median and interquartile ranges.
  2. P: compare in the three subgroups.
  3. aE2 > 293.6 pmol/L subgroup compared with 146.8 ≤ E2 ≤ 293.6 pmol/L subgroup, P < 0.05 means significantly different.
  4. bE2 > 293.6 pmol/L subgroup compared with E2 < 146.8 pmol/L subgroup, P < 0.05 means significantly different.
  5. c146.8 ≤ E2 ≤ 293.6 pmol/L subgroup compared with E2 < 146.8 pmol/L subgroup, P < 0.05 means significantly different.
  6. P: PCOS group, non P: non PCOS group, BMI: body mass index, E2: estradiol, T: testosterone, FSH: follicle stimulating hormone, LH: luteinizing hormone.