Table 2. Demographic and clinical characteristics of included participants.
| Variables | Health Group | Disease Group | Comparison Group | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Subgroup | P | Subgroup | P | Subgroup | P | ||||
| H1 | H2 | P1 | P2 | H3 | P3 | ||||
| Patients (n) | 20 | 20 | 20 | 19 | 20 | 20 | |||
| Mean age (year) | 31.0 ± 7.5 | 29.9 ± 7.4 | 0.64 | 30.9 ± 8.8 | 31.5 ± 8.3 | 0.82 | 28.1 ± 7.0 | 30.8 ± 8.0 | 0.25 |
| Body mass index (kg/m2) | 22.2 ± 1.7 | 21.8 ± 1.7 | 0.38 | 22.3 ± 1.6 | 21.7 ± 1.7 | 0.23 | 22.3 ± 1.7 | 21.7 ± 1.7 | 0.34 |
| Marital status (n) | |||||||||
| Living with a partner | 13 (65%) | 12 (60%) | 0.74 | 11 (55%) | 13 (68%) | 0.39 | 12 (60%) | 13 (65%) | 0.74 |
| Single | 7 (35%) | 8 (40%) | 9 (45%) | 6 (32%) | 8 (40%) | 7 (35%) | |||
| Employment status (n) | |||||||||
| Employed | 15 (75%) | 14 (70%) | 0.72 | 19 (95%) | 13 (68%) | 0.03 | 19 (95%) | 14 (70%) | 0.04 |
| Unemployed | 5 (25%) | 6 (30%) | 1 (5%) | 6 (32%) | 1 (5%) | 6 (30%) | |||
| Sexual activity a | |||||||||
| ≤ 2 times weekly | 12 (60%) | 10 (50%) | 0.53 | 13 (65%) | 11 (58%) | 0.65 | 13 (65%) | 12 (60%) | 0.11 |
| ≥3 times weekly | 8 (40%) | 10 (50%) | 7 (35%) | 8 (42%) | 7 (35%) | 8 (40%) | |||
| Duration of pain (months) | 0 | 0 | 1.00 | 6.3 ± 2.0 | 6.4 ± 2.2 | 0.86 | 0 | 5.9 ± 2.2 | 0.00 |
| Total NIH-CPSI score | 3.8 ± 2.5 | 4.3 ± 2.3 | 0.51 | 30.0 ± 4.2 | 26.9 ± 4.8 | 0.04 | 4.9 ± 1.8 | 30.7 ± 5.0 | 0.00 |
| Total pain score | 1.7 ± 1.5 | 2.0 ± 1.4 | 0.52 | 16.8 ± 2.6 | 15.3 ± 2.8 | 0.10 | 2.7 ± 1.5 | 16.7 ± 2.6 | 0.00 |
| Total urination score | 1.0 ± 0.9 | 1.2 ± 0.9 | 0.49 | 6.1 ± 2.3 | 4.4 ± 1.6 | 0.01 | 0.8 ± 0.6 | 5.8 ± 2.6 | 0.00 |
| Quality of life score | 1.2 ± 1.1 | 1.2 ± 1.1 | 1.00 | 7.1 ± 2.8 | 7.2 ± 2.7 | 0.86 | 1.4 ± 1.1 | 8.2 ± 2.9 | 0.00 |
| Pain area | |||||||||
| Perineum | 3 (15%) | 2 (10%) | 0.63 | 16 (80%) | 16 (84%) | 0.73 | 6 (30%) | 17 (85%) | 0.00 |
| Testicles | 2 (10%) | 2 (10%) | 1.00 | 15 (75%) | 10 (53%) | 0.15 | 4 (20%) | 13 (65%) | 0.00 |
| Penis | 5 (25%) | 0 (0%) | 0.02 | 14 (70%) | 8 (42%) | 0.08 | 5 (25%) | 13 (65%) | 0.01 |
| Pubic | 2 (10%) | 1 (5%) | 0.55 | 13 (65%) | 8 (42%) | 0.15 | 3 (15%) | 11 (55%) | 0.01 |
| Pain during urination | 2 (10%) | 4 (20%) | 0.38 | 17 (85%) | 11 (58%) | 0.06 | 2 (10%) | 15 (75%) | 0.00 |
| Pain during ejaculation | 0 (0%) | 5 (25%) | 0.02 | 17 (85%) | 13 (68%) | 0.22 | 2 (10%) | 14 (70%) | 0.00 |
| IIEF-5 score b | 20.9 ± 4.6 | 20.5 ± 3.1 | 0.72 | 18.5 ± 4.3 | 16.7 ± 5.0 | 0.25 | 22.3 ± 2.3 | 15.7 ± 5.6 | 0.00 |
| Perceived Stress Scale | 14.6 ± 8.3 | 12.9 ± 8.4 | 0.51 | 20.0 ± 11.1 | 22.2 ± 10.5 | 0.54 | 12.5 ± 7.5 | 20.4 ± 9.8 | 0.00 |
| Abstinent days c | 7.2 ± 2.5 | 6.5 ± 2.5 | 0.38 | 6.0 ± 2.4 | 6.6 ± 2.6 | 0.44 | 6.1 ± 2.0 | 6.2 ± 2.3 | 0.94 |
| Mean EPS volume (ul) | |||||||||
| ≤ 500 | 8 (40%) | 8 (40%) | 1.00 | 8 (40%) | 11 (58%) | 0.26 | 11 (55%) | 10 (50%) | 0.75 |
| ≥ 500 | 12 (60%) | 12 (60%) | 12 (60%) | 8 (42%) | 9 (45%) | 10 (50%) | |||
| WBC/HP in EPS d | |||||||||
| I grade | 20 (100%) | 20 (100%) | 1.00 | 0 | 0 | 0.07 | 20 (100%) | 0 | 0 |
| II grade | 0 | 0 | 9 (45%) | 14 (74%) | 0 | 13 (65%) | |||
| III grade | 0 | 0 | 11 (55%) | 5 (26%) | 0 | 7 (35%) | |||
a : Sexual activity in previous 6 months. b : The score of International Index of Erectile Function 5. c : Abstinent days before EPS collection. d : WBC count in EPS was classified into three grades: I grade: < 10/high power field (HP), II grade: 10∼20/HP, III grade: >20/HP.