Table 5 Comparison of age, disease duration, ejaculation frequency of PPS patients and the proportion of PPS patients under different indicators in the PV < 20 mL and PV ≥ 20 mL groups [M (Q3-Q1) or N (%)]
Variables | PV groups (n = 548) | χ2/Z value | P value | ||
|---|---|---|---|---|---|
< 20mL (n = 472) | ≥ 20mL (n = 76) | ||||
VS (n = 229) | 175 (37.1) | 54 (71.1) | 31.064 | 0.000 | |
PS (n = 159) | 157 (33.3) | 2 (2.6) | 29.821 | 0.000 | |
VS + PS (n = 160) | 140 (29.7) | 20 (26.3) | 0.354 | 0.552 | |
Sexual dysfunction (n = 71) | 59 (12.5) | 12 (15.8) | 0.628 | 0.428 | |
Psychological symptoms (n = 157) | 130 (27.5) | 27 (35.5) | 2.041 | 0.153 | |
Reproductive dysfunction (n = 11) | 10 (2.1) | 1 (1.3) | 0.001 | 0.982 | |
Other symptoms (n = 87) | 73 (15.5) | 14 (18.4) | 0.428 | 0.513 | |
Education level | Junior high school or below (n = 100) | 73 (15.5) | 27 (35.5) | 17.769 | 0.000 |
High school (n = 276) | 247 (52.3) | 29 (38.2) | |||
College or above (n = 172) | 152 (32.2) | 20 (26.3) | |||
Income (¥/month) | < 2000 (n = 28) | 27 (5.7) | 1 (1.3) | 3.884 | 0.143 |
2000–5000 (n = 369) | 318 (67.4) | 51 (67.1) | |||
≥ 5000 (n = 151) | 127 (26.9) | 24 (31.6) | |||
Sedentariness (n = 203) | 182 (38.6) | 21 (27.6) | 3.352 | 0.067 | |
Prostate calcification (n = 150) | 119 (25.2) | 31 (40.8) | 7.990 | 0.005 | |
Age (year) | 18–19 (n = 22) | 21 (4.4) | 1 (1.3) | 20.717 | 0.000 |
20–29 (n = 244) | 226 (47.9) | 18 (23.7) | |||
30–39 (n = 282) | 225 (47.7) | 57 (75.0) | |||
Total (n = 548) | 29.00 (34.00–25.00) | 33.50 (37.00–29.25) | -5.382 | 0.000 | |
Disease duration (month) | (n = 548) | 6.00 (12.00–3.00) | 12.00 (24.00–6.00) | -5.490 | 0.000 |
Ejaculation frequency (times/per week) | (n = 548) | 2.00 (3.00–1.00) | 2.00 (3.00–1.00) | -0.617 | 0.537 |