Table 2.

Distribution of cavernosal collagen density in the groups.

Degree of collagen density
	1+ (n)	2+ (n)	3+ (n)	4+ (n)
Group 1	5	3	0	0
Group 2	0	2	2	4
Group 3	2	4	2	0
Group 4	2	6	0	0

1+: lowest collagen density.

2+: mild collagen density.

3+: moderate collagen density.

4+: highest collagen density.