Table 2.

Mean international index of erectile function—(IIEF-5) questionnaire

Caverstem intervention	Baseline (range)*	3 month (range)*	6 month (range)*
1.0 low dose	8 (5–16)	11 (5–25)	10 (5–22)
1.0 high dose	9 (5–16)	12 (5–19)	12 (5–20)
2.0	9 (5–15)	18 (10–24)**	18 (10–23)**

* IIEF-5 ED scoring (severe (5–7), moderate (8–11), mild to moderate (12–16), and mild (17–21) dysfunction. **p = 0.001