Table 1.
Patient demographics and baseline disease severity
| Group A | Group B | Group C | P value | |
|---|---|---|---|---|
| Sample size | 100 | 100 | 100 | |
| Age (y), mean ± SD | 55.6 ± 10 | 56.2 ± 9.8 | 56.7 ± 9.9 | .764 |
| Concomitant condition, n (%) | ||||
| Diabetes mellitus | 21 | 23 | 22 | .931 |
| Cardiovascular risk factors∗ | 67 | 68 | 66 | .969 |
| Baseline ED severity, n (%) | ||||
| Mild ED (IIEF-EF score 18–25) | 41 | 38 | 40 | .696 |
| Moderate ED (IIEF-EF score 11–17) | 35 | 37 | 35 | .772 |
| Severe ED (IIEF-EF score 0–10) | 24 | 25 | 25 | .881 |
| Baseline IIEF-EF score, mean ± SD | 15 ± 7 | 14.8 ± 6.9 | 14.9 ± 7.1 | .995 |
| SEP question 3 (% yes) | 43 | 41 | 42 | .974 |
ED = erectile dysfunction; IIEF-EF = International Index of Erectile Function-erectile function; SD = standard deviation; SEP = Sexual Encounter Profile.
∗
including at least 1 of the following: hypertension, hyperlipidemia, obesity, and smoking