Table 1.
Association between the basic data and CP/CPPS, as evaluated by the NIH-CPSI
| Variables | Total case (n=182) | NIHCPSI ≤14 (n=105) | NIHCPSI >14 (n=77) | P |
|---|---|---|---|---|
| Age (year) | 33.86±8.36 | 34.81±8.72 | 32.56±7.72 | 0.073 |
| BMI (kg m−2) | 22.85±2.63 | 23.50±2.87 | 21.75±1.71 | <0.001** |
| Systolic pressure (mmHg) | 124.98±11.52 | 124.31±10.77 | 126.13±12.77 | 0.399 |
| Blood sugar (mmol l−1) | 5.10 (4.93, 5.48) | 5.18 (4.94, 5.37) | 4.99 (4.76, 5.55) | 0.377 |
| Cholesterol (mmol l−1) | 4.89 (4.30, 5.49) | 4.99 (4.12, 5.71) | 4.81 (4.53, 5.20) | 0.881 |
| Triglyceride (mmol l−1) | 1.68±0.63 | 1.83±0.65 | 1.42±0.50 | <0.001** |
| FSH (µU l−1) | 4.00 (3.24, 5.44) | 4.01 (3.43, 5.17) | 4.00 (2.99, 5.88) | 0.655 |
| LH (µU l−1) | 5.08±1.73 | 5.52±1.79 | 4.40±1.39 | <0.001** |
| PRL (µg l−1) | 10.71±3.92 | 11.12±4.63 | 10.07±2.33 | 0.039* |
| Testosterone (nmol l−1) | 19.40±6.11 | 19.67±6.22 | 18.98±5.97 | 0.533 |
| IIEF5 | 13.53±4.74 | 14.63±4.46 | 12.04±4.72 | <0.001** |
| PHQ9 | 7.62±5.15 | 6.55±5.13 | 9.06±4.85 | 0.001* |
| GAD7 | 6.40±4.08 | 5.62±3.88 | 7.45±4.13 | 0.002* |
| QoL | 2.00 (1.00, 4.00) | 2.00 (1.00, 4.00) | 3.00 (2.00, 4.00) | <0.001** |
| SIEDY scale 1 | 3.23±2.13 | 2.97±2.13 | 3.57±2.07 | 0.060 |
| SIEDY scale 2 | 3.57±1.60 | 3.43±1.58 | 3.75±1.62 | 0.177 |
| SIEDY scale 3 | 6.15±2.12 | 5.86±2.06 | 6.56±2.13 | 0.027* |
Data are expressed as the mean±s.d. of a normal distribution and the median (quartiles) of non-normally distributed. *P<0.05, **P<0.001. CP/CPPS: chronic prostatitis/chronic pelvic pain syndrome; NIH-CPSI: National Institutes of Health-Chronic Prostatitis Symptom Index; s.d.: standard deviation; BMI: body mass index; FSH: folliclestimulating hormone; LH: luteinizing hormone; PRL: prolactin; IIEF: International Index of Erectile Function; PHQ: Patient Health Questionnaire; GAD: Generalized Anxiety Disorder; QoL: Quality of Life; SIEDY: Structured Interview on Erectile Dysfunction