Table 1 General characteristics of the participants.

From: Serum Uric Acid Is Associated with Erectile Dysfunction: A Population-Based Cross-Sectional Study in Chinese Men

N

Total

Men without ED

Men with ED

1365

513

852

Age (year)

55.5 ± 10.8

51.6 ± 10.7

57.9 ± 10.3**

Sex-related hormones

 TT (nmol/L)

17.2 ± 6.3

16.9 ± 6.1

17.4 ± 6.3

 FSH (IU/L)

8.6 ± 6.5

7.5 ± 5.8

9.3 ± 6.8**

 LH (IU/L)

6.3 ± 3.3

5.9 ± 2.9

6.6 ± 3.5**

 SHBG (nmol/L)

45.8 ± 22.4

42.3 ± 21.3

48.0 ± 22.8**

 FAI (%)

42.5 ± 14.5

45.8 ± 16.0

40.7 ± 13.1*

Metabolic factors

 HbA1c (%)

6.0 ± 1.1

5.8 ± 0.9

6.1 ± 1.1**

 FPG (mmol/L)

5.7 ± 1.6

5.5 ± 1.2

5.8 ± 1.7**

 UA (μmol/L)

343.6 ± 77.1

349.9 ± 76.2

339.8 ± 77.4*

 BMI (kg/m2)

25.5 ± 3.1

25.6 ± 3.0

25.4 ± 3.1

 Diabetes (%)

19.4

14.6

22.3**

SBP (mmHg)

136.8 ± 20.4

133.5 ± 19.3

138.7 ± 20.9**

DBP (mmHg)

84.7 ± 13.1

84.3 ± 12.9

85.0 ± 13.2

  1. The data are summarized as the mean ± standard deviation for continuous variables, or as number with proportion for categorical variables. The Mann–Whitney U test was used for non-normally distributed continuous variables, and the Pearson χ2 test was used for dichotomous variables
  2. *P < 0.05, significantly lower than men without ED group.
  3. **P < 0.05, significantly higher than men without ED group.
  4. Abbreviations: ED, erectile dysfunction; TT, total testosterone; FSH, follicle-stimulating hormone; LH, luteinizing hormone; SHBG, sex hormone binding globin; FAI, free androgen index; HbA1c, glycated hemoglobin; FPG, fasting plasma glucose; UA, uric acid; BMI, body mass index; SBP, systolic blood pressure; DBP, diastolic blood pressure.
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