Table 1. The baseline characteristics of patients according to blood pressure.
| Normotension | Hypertension | |||
|---|---|---|---|---|
| Group 1 | Group 2 | Group 3 | Group 4 | |
| No | 272 | 293 | 216 | 172 |
| Age | 62.8±5.7 | 63.3±4.4 | 64.2±5.8 | 65.9±6.1 |
| Systolic BP (mm Hg) | 124.8±2.1 | 125.3±2.6 | 140.4±1.9 | 139.8±2.4 |
| Diastolic BP (mm Hg) | 74.5±0.9 | 76.2±1.0 | 93.1±1.2 | 94.4±1.3 |
| IPSS (total) | 14.7±0.5 | 15.6±0.5 | 14.8±0.3 | 14.2±0.4 |
| QOL | 3.5±0.2 | 3.6±0.5 | 3.7±0.4 | 3.0±0.5 |
| Prostate volume (cc) | 38.8±6.1 | 32.2±4.5 | 41.3±7.1 | 37.3±5.8 |
| PSA (ng ml−1) | 2.1±0.2 | 1.6±0.3 | 1.7±0.5 | 2.0±0.6 |
| Qmax (ml s−1) | 11.0±1.7 | 10.7±0.5 | 11.6±0.8 | 10.7±1.3 |
| Residual urine volume (cc) | 58.6±10.2 | 43.6±7.1 | 62.9±8.4 | 55.4±6.6 |
Abbreviations: BP, blood pressure; IPSS, international prostate symptom score; Qmax, urinary flow rate; QOL, quality of life.
The values for age, blood pressure, prostate volume, PSA, IPSS, QOL, Qmax, and residual urine volume are means±s.d.