Table 4. General characteristics of the patients in group 1 and group 2.
| Group | 1 | 2 | P value |
|---|---|---|---|
| N | 55 | 80 | |
| Age | 33.91±11.78 | 34.01±9.96 | 0.231 |
| Systolic (mmHg) | 131.93±16.61 | 130.94±12.51 | 0.749 |
| Diastolic (mmHg) | 81.72±16.72 | 84.04±11.89 | 0.445 |
| Blood glucose (mmol/L) | 4.93±0.89 | 4.79±1.02 | 0.411 |
| TC (mmol/L) | 4.21±0.98 | 4.08±1.02 | 0.484 |
| TG (mmol/L) | 1.25±0.64 | 1.22±0.75 | 0.831 |
| HDL (mmol/L) | 1.12±0.24 | 1.16±0.30 | 0.549 |
| LDL (mmol/L) | 3.23±5.07 | 2.47±0.93 | 0.212 |
| E (pmol/mL) | 55.49±27.52 | 57.40±25.35 | <0.05 |
| FSH (mlU/mL) | 6.60±5.68 | 4.78±3.15 | <0.05 |
| LH (mlU/mL) | 4.81±2.99 | 5.42±7.54 | 0.571 |
| PRL (nmol/L) | 15.34±6.06 | 13.81±6.97 | <0.05 |
| T (nmol/L) | 4.52±1.35 | 4.62±1.63 | 0.721 |
| P (nmol/L) | 0.85±0.48 | 1.04±0.57 | 0.054 |
| Base 60 (min) | 2.54±2.75 | 40.72±41.65 | <0.01 |
Group 1, effective erection time ≤10 min; group 2, effective erection time >10 min. TC, total cholesterol; TG, triglyceride; HDL, high-density lipoprotein cholesterol; LDL, low-density lipoprotein; E, estradiol; FSH, follicle stimulating hormone; LH, luteinizing hormone; PRL, prolactin hormone; T, testosterone; P, progesterone; base 60, the time penile base rigidity greater than 60%.