Table 1.
Demographics of study subjects with prehypertension in 2004
| Normal blood pressure | Total | Women | Men | p |
|---|---|---|---|---|
| Number of subjects | 6,887 | 4,330 | 2,557 | |
|
| ||||
| Age | 47.7±10.3 | 46.8±9.9 | 49.2±10.8 | <0.001 |
| Height (cm) | 162.7±8.2 | 158.1±5.5 | 170.5±5.9 | <0.001 |
| Weight (kg) | 57.0±10.5 | 51.3±6.6 | 69.7±8.5 | <0.001 |
| Body mass index (kg/m2) | 21.4±2.7 | 20.5±2.4 | 22.9±2.5 | <0.001 |
| Systolic BP (mmHg) | 105.6±8.8 | 104.0±9.0 | 108.3±7.6 | <0.001 |
| Diastolic BP (mmHg) | 66.0±6.5 | 64.7±6.6 | 68.3±5.7 | <0.001 |
| Pulse rate (bpm) | 71.9±9.5 | 73.4±9.6 | 69.3±8.9 | <0.001 |
| Smoking | 35.1% | 18.3% | 63.4% | <0.001 |
| Drinking habits | 39.2% | 27.9% | 58.4% | <0.001 |
| Diabetes mellitus | 2.3% | 0.9% | 4.6% | <0.001 |
| Dyslipidemia | 28.9% | 20.7% | 42.7% | <0.001 |
| Hyperuricemia | 11.4% | 4.4% | 23.2% | <0.001 |
| Chronic kidney disease | 2.0% | 1.5% | 2.9% | <0.001 |
| White blood cell (/μL) | 5,062±1,376 | 4,831±1,207 | 5,454±1,666 | <0.001 |
| Hemoglobin (g/dL) | 13.3±1.3 | 12.6±1.0 | 14.5±0.9 | <0.001 |
| Total protein (g/dL) | 7.08±0.35 | 7.09±0.36 | 7.08±0.34 | 0.24 |
| eGFR (mL/min/1.73m2) | 87.6±15.2 | 89.6±15.4 | 84.2±14.3 | <0.001 |
| C-reactive protein (mg/dL) | 0.13±0.21 | 0.12±0.18 | 0.15±0.25 | <0.001 |
| Serum uric acid (mg/dL) | 5.00±1.32 | 4.35±0.88 | 6.10±1.19 | <0.001 |
|
| ||||
| Prehypertension | Total | Women | Men | p |
|
| ||||
| Number of subjects | 3,584 | 1,503 | 2,081 | |
|
| ||||
| Age | 52.1±11.0 | 53.0±10.5 | 51.5±11.3 | <0.001 |
| Height (cm) | 164.4±8.9 | 156.6±5.4 | 170.0±6.2 | <0.001 |
| Weight (kg) | 63.3±12.0 | 54.3±8.3 | 69.8±9.8 | <0.001 |
| Body mass index (kg/m2) | 23.3±3.1 | 22.1±3.1 | 24.1±2.8 | <0.001 |
| Systolic BP (mmHg) | 127.7±5.8 | 127.4±5.7 | 127.9±5.8 | 0.007 |
| Diastolic BP (mmHg) | 79.3±5.2 | 78.4±5.3 | 79.9±5.1 | <0.001 |
| Pulse rate (bpm) | 74.8±10.8 | 78.1±11.1 | 72.4±10.0 | <0.001 |
| Smoking | 40.8% | 13.6% | 60.5% | <0.001 |
| Drinking habits | 45.5% | 23.9% | 61.1% | <0.001 |
| Diabetes mellitus | 4.4% | 2.7% | 5.5% | <0.001 |
| Dyslipidemia | 47.5% | 41.7% | 51.7% | <0.001 |
| Hyperuricemia | 20.3% | 8.7% | 28.6% | <0.001 |
| Chronic kidney disease | 3.5% | 2.6% | 4.2% | 0.008 |
| White blood cell (/μL) | 5,298±1,373 | 4,987±1,244 | 5,522±1,418 | <0.001 |
| Hemoglobin (g/dL) | 13.9±1.3 | 12.9±1.1 | 14.7±1.0 | <0.001 |
| Total protein (g/dL) | 7.21±0.35 | 7.09±0.36 | 7.17±0.34 | <0.001 |
| eGFR (mL/min/1.73m2) | 85.1±15.6 | 86.9±15.6 | 83.8±15.5 | <0.001 |
| C-reactive protein (mg/dL) | 0.16±0.32 | 0.14±0.27 | 0.17±0.35 | 0.019 |
| Serum uric acid (mg/dL) | 5.59±1.39 | 4.63±0.95 | 6.29±1.23 | <0.001 |
BP, blood pressure; bpm, beat per minute; p, probability
Data are presented as mean ± standard deviation.