Table 3 Difference between patients with normal DUS but EHS < 3 (group 1) and patients with EHS 3–4 regardless of DUS results (group 2).

From: The flow index provides a comprehensive assessment of erectile dysfunction by combining blood flow velocity and vascular diameter

Parameters

Groups

Number

Median

(Range)

P value

PSV (cm/s)

Group 1

25

31.35

(56.65–22.35)

0.115

Group 2

21

36.60

(53.60–15.00)

FI

Group 1

25

8.36

(104.30–0.00)

0.006*

Group 2

21

57.78

(88.70–1.66)

PLA stenosis (%)

Group 1

25

62.50%

(100.00%–0.00)

0.015*

Group 2

21

10.00%

(85.00%–0.00)

  1. Compared with patients who had EHS 3–4, patients who had normal DUS but poor EHS had a significantly lower FI and more severe PLA stenosis.
  2. EHS erection hardness score, FI flow index, IIEF-5 the simplified International Index of Erectile Function, PLA pelvic artery, PSV peak systolic velocity.
  3. Mann–Whitney U Test, *P < 0.05.