Table 1 Comparison in demographic, anthropometric, periodontal and inflammatory indicators between the patients with and without PCOS

Age (years)

26.0 ± 3.3

25.7 ± 3.5

0.782

Education

0.394

 Lower than university level

18(27.3)

4(18.2)

 University level or higher

48(72.7)

18(81.8)

Income (CNY)

0.456

  < 9,000

27(40.9)

11(50)

  ≥ 9,000

39(59.1)

11(50)

Smoking

0.409

 Never

64(97.0)

22(100.0)

 Previously

2(3.0)

0(0.0)

Drinking

0.698

 Never

58(87.9)

20(90.9)

 Seldom

8(12.1)

2(9.1)

Regular dental visit

0.505

 No

47(71.2)

14(63.6)

 Yes

19(28.8)

8(36.4)

Dietary habits

0.795

 Fat-reduced or normal meals

43(65.2)

15(68.2)

 High-fat meal

23(34.8)

7(31.8

BOB

0.596

 No

39(59.1)

13(59.1)

 Yes

27(40.9)

9(40.9)

BMI (kg/m2)

22.66 ± 3.91

21.63 ± 2.96

0.261

WHR

0.78 ± 0.05

0.77 ± 0.04

0.347

SBP (mmHg)

116.6 ± 11.6

115.7 ± 12.3

0.758

DBP (mmHg)

72.2 ± 8.7

69.4 ± 9.7

0.201

HR (bpm)

86.1 ± 12.6

80.5 ± 13.0

0.076

mFGS

2.0 ± 1.5

1.0 ± 1.3

0.005

PD (mm)

1.67(1.55, 2.09)

1.52(1.46, 1.75)

0.022

Percentage of sites with PD ≥ 4 mm (%)

0(0,3.0)

0(0,1.3)

0.296

Percentage of sites with PD ≥ 6 mm (%)

0(0,0)

0(0,0)

0.564

FMPS (%)

73.0(57.0, 88.3)

63.5(51.5, 86.0)

0.325

BOP (%)

14.5(7.7, 33.0)

10.7(7.7, 21.6)

0.208

Alveolar bone resorption (%)^a

15.0(14.0,20.0)

15.0(13.5,21.5)

0.855

Periodontal status

0.290

no periodontitis

43(65.2)

17(77.3)

periodontitis

23(34.8)

5(22.7)

FSH (IU/L)

6.99 ± 2.20

7.43 ± 2.51

0.438

LH (IU/L)

14.94 ± 7.37

4.87 ± 1.91

 < 0.001

LH/FSH

2.05(1.63,2.67)

0.58(0.46,0.84)

 < 0.001

T (μg/L)

0.77(0.67,0.86)

0.52(0.44,0.62)

 < 0.001

PRL (μg/L)

15.30(9.62,19.95)

13.34(9.07,20.94)

0.802

P (μg/L)

0.77(0.43,1.24)

0.79(0.29,1.00)

0.388

E2 (pg/mL)

43.91(32.03,73.75)

33.30(25.90,45.25)

0.014

TG (mmol/L)

0.88(0.64,1.43)

0.68(0.59,0.85)

0.033

TC (mmol/L)

4.87 ± 0.89

4.62 ± 0.78

0.249

LDL (mmol/L)

2.67(2.41,3.22)

2.67(2.47,3.11)

0.603

HDL (mmol/L)

1.47 ± 0.41

1.41 ± 0.33

0.496

FPG (mmol/L)

5.00 ± 0.51

5.03 ± 0.36

0.816

se IL-6 (pg/mL)

2.16(1.03,3.49)

2.96(1.98,4.03)

0.068

se IL-17A (pg/mL)

30.26(11.32,814.86)

23.43(16.55,539.75)

0.413

se MMP-8 (ng/mL)

5.13(3.30,9.70)

1.97(1.38,4.79)

0.001

sa IL-6 (pg/mL)

2.47(1.24,4.18)

2.44(0.85,4.92)

0.908

sa IL-17A (pg/mL)

10.05(6.34,13.87)

9.83(8.00,16.94)

0.446

sa MMP-8 (ng/mL)

153.13(54.02,326.50)

120.00(34.01,240.41)

0.350