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Table 2 Instrumental data (AVSS-RigiScan) of patients with normal versus high levels of homocysteine

From: Homocysteine levels correlate with AVSS-RigiScan test parameters in men with erectile dysfunction

 

Subgroup 1 (hcy ≥ 15 µmol/L)

Subgroup 2 (hcy < 15 µmol/L)

Mann‒Whitney U

p

average event rigidity of the tip (%)

30.80 ± 2.70

35.33 ± 1.67

1083

0.0904

average event rigidity of the base (%)

39.87 ± 1.92

48.90 ± 1.68

876.5

0.0034

average maximum rigidity of the tip (%)

58.23 ± 2.63

64.15 ± 1.86

1061

0.0679

average maximum rigidity of the base (%)

63.07 ± 2.38

73.49 ± 1.58

797.5

0.0007

∆Tumescence of the tip (cm)

1.93 ± 0.15

2.27 ± 0.10

1051

0.0593

∆Tumescence of the base (cm)

2.32 ± 0.11

2.58 ± 0.08

1053

0.0611

  1. Data are expressed as the mean ± standard deviation; P values for Subgroup 1 and Subgroup 2 were derived from the Mann‒Whitney U test
  2. AVSS Audio-visual sexual stimulation, hcy Homocysteine, ∆Tumescence Increase in tumescence or maximum − minimum tumescence