Comparison of National Institutes of Health-Chronic Prostatitis Symptom Index with International Index of Erectile Function 5 in Men with Chronic Prostatitis/Chronic Pelvic Pain Syndrome: A Large Cross-Sectional Study in China

Table 4

Correlation between NIH-CPSI and IIEF-5 in men with CPPS.

IIEF-5 score

Total score

Q1

Q2

Q3

Q4

Q5

Adjusted

Adjusted

Adjusted

Adjusted

Adjusted

Adjusted

NIH-CPSI scores

Total score

−0.65

<0.001

−0.6

<0.001

−0.62

<0.001

−0.61

<0.001

−0.65

<0.001

−0.7

<0.001

Pain symptoms

−0.7

<0.001

−0.65

<0.001

−0.67

<0.001

−0.69

<0.001

−0.68

<0.001

−0.67

<0.001

Urinary symptoms

−0.68

<0.001

−0.62

<0.001

−0.64

<0.001

−0.68

<0.001

−0.66

<0.001

−0.65

<0.001

Quality of life impact

−0.64

<0.001

−0.69

<0.001

−0.62

<0.001

−0.64

<0.001

−0.62

<0.001

−0.74

<0.001

NIH-CPSI = National Institute of Health-Chronic Prostatitis Symptoms Index; CPPS = chronic pelvic pain syndrome; IIEF-5 = International Index of Erectile Dysfunction 5.