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Table 1 Age distribution and median IIEF-5 scores of patients with different primary pathophysiologic causes

From: Comparison of the simplified International Index of Erectile Function (IIEF-5) in patients of erectile dysfunction with different pathophysiologies

Primary causes

<40 year

≥40 year

Overall

Median IIEF (IQR)

Psychogenic

1145 (66.4)

721 (50.6)

1866 (59.2)

15 (13, 17)

Organic

580 (33.6)

705 (49.4)

1285 (40.8)

12 (9.5, 14.5)

Total

1725

1426

3151

14 (11.5, 16.5)

  1. IQR, interquartile range. Data in parentheses are percentages of different age, unless otherwise noted.
  2. Age: χ2 test for psychogenic versus organic: Pearson Chi-square = 80.858, P < 0.001. IIEF-5: Wilcoxon rank sum test for psychogenic versus organic: P < 0.001.