Table I.
Characteristics of all patients enrolled in the study.
| Characteristics | Prostate cancer | Benign prostate disease | P-value |
|---|---|---|---|
| No. of patients (%) | 173 (41.2) | 247 (58.8) | |
| Age (years) | 71 (63–77) | 65 (58–78) | 0.041a |
| PSA level (ng/ml) | 11.59 (4.78–19.50) | 8.42 (5.34–28.72) | 0.017a |
| Prostate volume (ml) | 39.57 (25.25–56.01) | 48.52 (31.75–70.06) | 0.029a |
| PSAD (ng/ml2) | 0.22 (0.14–0.38) | 0.13 (0.07–0.33) | 0.010a |
| No. of patients with abnormal DRE (%) | 34 (19.7) | 18 (7.3) | 0.0002 |
| No. of patients with abnormal TRUS (%) | 73 (42.2) | 45 (18.2) | <0.0001 |
Data presented are median (interquartile range) or number (%). PSA, prostate-specific antigen; PSA density; DRE, digital rectal examination; TRUS, transrectal ultrasound.
a
These values were calculated by t-test; the remaining P-values were calculated by Chi-square test.