Table 2. Effects of collagenase Clostridium histolyticum on vascular and functional parameters.

Measurement	Initial	Final	P value
IIEF	17.2±5.7 [5–25]	17.8±4.9 [5–25]	0.33
Curvature	60˚±16.9˚ (30˚–105˚)	40.8˚±14.9˚ (12˚–65˚)	<0.0001
PSV	53.2±13.0 (20.1–100.6)	56.3±13.9 (10.3–100.6)	0.10
EDV	9.3±7.1 (0–26.1)	7.8±7.2 (0–45.2)	0.11
RI	0.80±0.14 (0.5–1)	0.84±0.13 (0.5–1)	0.06

IIEF, International Index of Erectile Function; PSV, peak systolic velocity; EDV, end diastolic velocity; RI, resistive index.