Table 3 Baseline characteristics of the matched participants (n = 662)^a

Age (year, mean ± SD)

61.66 ± 11.41

61.92 ± 11.57

61.41 ± 11.25

0.57

BMI (kg/m²)

24.82 ± 2.97

24.85 ± 2.96

24.79 ± 2.99

0.80

Blood pressure [n(%)]

1.00

 Hypertension

320 (48.3)

160 (48.3)

160 (48.3)

 Normotension

342 (51.7)

171 (51.7)

171 (51.7)

Periodontal disease [n(%)]

0.00

 No

459 (69.3)

208 (62.8)

251 (75.8)

 Yes

203 (30.7)

123 (37.2)

80 (24.2)

FBG (ng/ml, mean ± SD)

5.92 ± 1.63

5.84 ± 1.48

5.99 ± 1.76

0.25

LDL-C (mmol/L, mean ± SD)

2.83 ± 0.73

2.80 ± 0.72

2.85 ± 0.73

0.40

Triglycerides (mmol/L, mean ± SD)

1.46 ± 0.90

1.45 ± 0.98

1.47 ± 0.80

0.69

HDL-C (mmol/L, mean ± SD)

1.24 ± 0.25

1.22 ± 0.23

1.26 ± 0.27

0.09

TC (mmol/L, mean ± SD)

4.73 ± 0.91

4.67 ± 0.90

4.78 ± 0.93

0.13

ESR (mm/h, mean ± SD)

6.75 ± 6.53

6.48 ± 6.29

7.02 ± 6.77

0.29

Uric acid (μmol/L, mean ± SD)

313.41 ± 73.87

313.15 ± 68.88

313.68 ± 78.68

0.93

Creatinine (μmol/L, mean ± SD)

79.85 ± 14.16

79.74 ± 13.15

79.97 ± 15.13

0.83

Urea nitrogen (mmol/L, mean ± SD)

5.19 ± 1.41

5.11 ± 1.34

5.26 ± 1.48

0.17

Prostate volume (g, mean ± SD)

39.56 ± 17.21

NR

NA

 ≤ 60 g (n = 296)

35.53 ± 9.19

NR

 > 60 g (n = 32)

77.40 ± 26.20

NR