Table 1. Association between the basic data and ED.
| Characteristics | Without ED (n=121) | With ED (n=252) | P |
|---|---|---|---|
| Age (years) | 31.54±8.05 | 33.80±7.44 | 0.008* |
| BMI (kg/m2) | 22.90±3.66 | 23.78±3.64 | 0.03* |
| Height (cm) | 172.15±10.61 | 170.62±8.07 | 0.13 |
| Weight (kg) | 67.43±10.12 | 69.15±11.29 | 0.16 |
| Systolic pressure (90–139 mmHg) | 122.60±10.23 | 122.68±12.22 | 0.96 |
| Blood sugar (3.9–6.1 mmol/L) | 5.20±0.59 | 5.59±1.70 | 0.02* |
| Cholesterol (2.8–5.17 mmol/L) | 4.78±0.94 | 4.99±1.31 | 0.13 |
| Triglyceride (0.56–1.7 mmol/L) | 1.96±2.00 | 1.75±1.04 | 0.20 |
| HDL (1.08–1.91 mmol/L) | 1.20±0.36 | 1.17±1.28 | 0.39 |
| LDL (2.07–3.37 mmol/L) | 2.98±0.67 | 3.15±0.81 | 0.07 |
| FSH (0.95–11.95 U/L) | 4.46±2.47 | 4.38±2.32 | 0.77 |
| LH (1.2–7.8 U/L) | 5.16±1.87 | 5.00±2.10 | 0.50 |
| PRL (1.61–18.77 ng/mL) | 13.53±7.60 | 12.33±7.73 | 0.18 |
| Testosterone (9.45–37.45 nmol/L) | 19.85±6.17 | 13.82±6.83 | 0.04* |
| PHQ-9 | 5.68±4.53 | 7.14±5.00 | 0.007* |
| GAD-7 | 5.15±4.26 | 5.84±4.63 | 0.17 |
| SIEDY-1 | 2.11±1.77 | 3.59±2.12 | <0.001** |
| SIEDY-2 | 3.98±2.36 | 4.26±2.32 | 0.30 |
| SIEDY-3 | 6.94±1.79 | 7.07±1.74 | 0.51 |
Data are expressed as the mean ± SD. *, P<0.05; **, P<0.001. ED, erectile dysfunction; SD, standard deviation; BMI, body mass index; HDL, high-density lipoprotein; LDL, low-density lipoprotein; FSH, follicle-stimulating hormone; LH, lutropin; PRL, prolactin; PHQ-9, Patient Health Questionnaire-9; GAD-7, Generalized Anxiety Disorder-7; SIEDY, Structured Interview on Erectile Dysfunction.