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Table 1 Demographic characteristics and laboratory tests in 140 patients with PCOS included in this study

From: Association between insulin resistance and abnormal menstrual cycle in Chinese patients with polycystic ovary syndrome

Parameters (%)

normal menstruation

oligomenorrhea

amenorrhea

P-value

Numbers

64

43

33

 

Age (years)

   

0.978

  ≤ 25

37(58%)

24(56%)

19(58%)

 

  > 25

27(42%)

19(44%)

14(42%)

 

Gestation

   

0.458

 0

55(86%)

35(81%)

25(76%)

 

  > 0

9(14%)

8(19%)

8(24%)

 

Parturition

   

0.410

 0

59(92%)

40(93%)

28(85%)

 

  > 0

5(8%)

3(7%)

5(15%)

 

BMI

   

 < 0.001

  ≤ 27

32(50%)

2(5%)

29(88%)

 

  > 27

32(50%)

41(95%)

4(12%)

 

Testosterone (ng/ml)

   

0.245

  ≤ 0.51

36(56%)

24(56%)

13(39%)

 

  > 0.51

28(44%)

19(44%)

20(61%)

 

LH (mIu/ml)

   

0.845

  ≤ 10

35(55%)

25(58%)

17(52%)

 

  > 10

29(45%)

18(42%)

16(48%)

 

FSH (mIu/ml)

   

0.783

  ≤ 5

34(53%)

20(47%)

16(48%)

 

  > 5

30(47%)

23(53%)

17(52%)

 

LH/FSH

   

0.252

  ≤ 2

39(61%)

27(63%)

15(46%)

 

  > 2

25(39%)

16(37%)

18(54%)

 

INHB (pg/ml)

   

0.036

  ≤ 74

29(45%)

24(56%)

24(73%)

 

  > 74

35(55%)

19(44%)

9(27%)

 

AMH (ng/ml)

   

0.183

  ≤ 7.80

36(56%)

31(72%)

18(56%)

 

  > 7.80

28(44%)

12(28%)

15(44%)

 

Progestogen (ng/ml)

   

0.814

  ≤ 0.73

57(89%)

37(86%)

28(85%)

 

  > 0.73

7(11%)

6(14%)

5(15%)

 

E2(ng/l)

   

0.103

  ≤ 53

45(70%)

28(65%)

26(79%)

 

  > 53

9(30%)

15(35%)

7(21%)

 

PRL (ng/ml)

   

0.935

  ≤ 19

38(59%)

24(56%)

19(58%)

 

  > 19

26(41%)

19(44%)

14(42%)

 

Acne, Hairy

   

0.128

 Yes

3(5%)

7(11%)

3(9%)

 

 No

61(95%)

36(89%)

30(91%)

 

Glucose (mmol/l)

   

0.065

  ≤ 5.1

46(72%)

23(53%)

17(52%)

 

  > 5.1

18(28%)

20(47%)

16(48%)

 

Insulin (mIu/l)

   

0.029

  ≤ 8.3

48(75%)

26(60%)

16(48%)

 

  > 8.3

16(25%)

17(40%)

17(52%)

 

HOMA-IR

   

0.011

  ≤ 1.91

47(73%)

26(60%)

14(42%)

 

  > 1.91

17(27%)

17(40%)

19(58%)

 

QUICKI

   

0.029

  ≤ 0.67

31(48%)

27(63%)

25(76%)

 

  > 0.67

33(52%)

16(37%)

8(24%)

 

ISI (gly)

   

0.077

  ≤ 0.51

28(44%)

25(58%)

22(67%)

 

  > 0.51

36(54%)

18(42%)

11(33%)

 

AFC

   

0.817

  ≤ 25

39(61%)

26(60%)

18(55%)

 

  > 25

25(39%)

17(40%)

15(45%)

 

Hyperandrogenism

 Yes

64(100%)

26(60%)

20(61%)

 < 0.001

 No

0(0%)

17(40%)

13(39%)

 
  1. Abbreviations: BMI body mass index, FSH follicle stimulating hormone, LH luteinizing hormone, E2 estrogen, PRL prolactin, AMH anti-Müllerian hormone, INHB inhibin B, HOMA-IR homeostasis model assessment: insulin resistance, AFC Antral follicle count, QUICKI quantitative insulin sensitivity check index, ISI insulin sensitivity indices. Notes: 0 and 1 for Gestation and Parturition mean yes or no, respectively. The cut-off values for age, BMI, sex hormones, AMH, INHB, glucose, insulin, HOMA-IR, QUICKI, ISI and AFC were the mean values of all patients