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Table 2 Main outcomes of scales and examinations

From: The association between plant-based diet and erectile dysfunction in Chinese men

 

ED (n = 92)

Control (n = 92)

P-value

TT, ng/mL

4.4 ± 2.3

4.2 ± 2.0

0.530

FT, pg/mL

86.3 ± 14.7

88.4 ± 16.7

0.366

IIEF-5 score

13.3 ± 6.8

23.3 ± 1.5

0.000

EHS score#

2 (1, 3)

3 (3, 4)

0.022

Weight, kg

78.2 ± 14.5

74.5 ± 15.6

0.097

Height, cm

174.7 ± 8.2

175.0 ± 7.4

0.795

BMI, kg/m2

25.6 ± 5.9

24.3 ± 6.5

0.157

Blood pressure, mmHg

 Systolic

132.4 ± 20.2

134.0 ± 21.3

0.602

 Diastolic

83.6 ± 14.1

85.2 ± 12.9

0.423

 Waist circumference, cm

89.2 ± 9.6

86.3 ± 9.1

0.037

Other blood measurements

 FBG, mmol/L

6.4 ± 1.7

5.7 ± 1.3

0.002

 TG, mmol/L

1.7 ± 0.8

1.8 ± 0.7

0.368

 TC, mmol/L

5.2 ± 1.3

5.0 ± 1.4

0.317

 HDL-C, mmol/L

1.6 ± 0.6

1.5 ± 0.6

0.260

 LDL-C, mmol/L

3.1 ± 0.8

3.0 ± 0.9

0.427

 NO, μmol/L

30.8 ± 21.3

42.4 ± 20.2

0.000

 E-selectin, ng/mL

37.3 ± 12.7

12.9 ± 4.9

0.000

 CRP, mg/L

4.9 ± 3.2

3.9 ± 3.0

0.030

 MetSm

36 (39.1%)

20 (21.7%)

0.010

 PDIn

47.1 ± 7.5

58.5 ± 7.1

0.000

 hPDIn

46.8 ± 8.2

59.4 ± 8.9

0.000

  1. Abbreviations: BMI body mass index, CRP C-reactive protein, ED erectile dysfunction, EHS Erection Hardness Score, FBG fasting blood glucose, FT free testosterone; HDL-C high-density lipoprotein cholesterol, hPDI healthful plant-based diet index, IIEF-5 International Index of Erectile Function-5, LDL-C low-density lipoprotein cholesterol, MetS metabolic syndrome, NO nitric oxide, PDI overall plant-based diet index, TC total cholesterol, TG triglyceride, TT total testosterone
  2. # Median (interquartile range 25–75)
  3. m MetS was defined following the criterion shown in Supplementary Table 2, in Additional file 1
  4. n PDI and hPDI were converted from FFQ following the method described in the method section