The Effects of Trimetazidine and Sildenafil on Bilateral Cavernosal Nerve Injury Induced Oxidative Damage and Cavernosal Fibrosis in Rats

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.