Table 3 Comparison of changes in volume and IPSS for different patterns of hyperplasia, presence of AdBPH, technical success of embolization, and different volume groups

BPH type according to Wasserman

 type 1 (n = 18)

56%

33%

25%

11%

 type 2 (n = 5)

45%

34%

26%

10%

 type 3 (n = 15)

54%

24%

22%

14%

 type 4 (n = 1)

45%

na

28%

na

 type 5 (n = 17)

38%

56%

25%

13%

 p-value*

0.60

0.88

simplified BPH classification

 preurethral (n = 27)

52%

33%

25%

11%

 retrourethral (n = 9)

50%

29%

29%

10%

 biurethral (n = 30)

45%

49%

22%

14%

 p-value*

0.59

0.88

PAE unilateral vs. bilateral

 Unilateral (n = 7)

21%

85%

14%

14%

 Bilateral (n = 59)

52%

29%

26%

12%

 p-value**

 < 0.01

 < 0.01

presence of AdBPH

 non-AdBPH (n = 13)

36%

38%

21%

13%

 AdBPH (n = 53)

51%

39%

25%

9%

 p-value**

 < 0.01

 < 0.01

volume groups

 < 100 ml (n = 43)

43%

43%

23%

12%

 > 100 ml (n = 23)

59%

27%

26%

13%

 p-value**

 < 0.01

 < 0.04