| Characteristics | Elderly ED group | Young ED group | P value | |
| Age (years) | 65.9 ± 10.2 | 36 ± 6.6 | P < 0.05 | |
| Education | Illiterate | 5 | 1 | P < 0.05 |
| (cases) | Primary education | 33 | 7 | |
| High school | 65 | 34 | ||
| University education | 17 | 70 | ||
| BMI | 30.9 ± 6.1 | 25.4 ± 2.3 | P < 0.05 | |
| IIEF-5 scores | 14.82 ± 4.17 | 11.83 ± 3.67 | P < 0.05 | |
| Complications | Cardiovascular Disease | 65 | 3 | P < 0.05 |
| (cases) | Prostatic hyperplasia | 48 | 12 | |
| Diabetes | 40 | 5 | ||
| Chronic prostatitis | 33 | 66 | ||
| Premature Ejaculation | 35 | 41 | ||
| Depression | 2 | 18 | ||
| SDS total scores | 29.13 ± 5.63 | 39.59 ± 13.31 | P < 0.05 | |
| TAE (minutes) | 13.85 ± 5.75 | 3.61 ± 4.29 | P < 0.05 | |
| IELT (minutes) | 7.03 ± 5.35 | 3.81 ± 5.53 | P < 0.05 | |
| PBI | 0.78 ± 0.12 | 0.91 ± 0.06 |