Table 3.
Cardiovascular risk factors in different subranges of prehypertension
| Low-range prehypertension (n=925) | High-range prehypertension (n=894) | p Value | |
|---|---|---|---|
| Age (years) | 50.6±11.2 | 53.7±12.4* | 0.08 |
| Male (n (%)) | 584 (63.1)* | 579 (64.8)* | 0.47 |
| Smoking (n (%)) | 149 (16.1) | 138 (15.4) | 0.69 |
| Alcoholic (n (%)) | 20 (1.9) | 22 (2.7) | 0.29 |
| Family history of hypertension (n (%)) | 153 (16.5) | 139 (15.5) | 0.56 |
| Overweight (n (%)) | 183 (19.8)* | 212 (23.7)* | 0.04 |
| Obesity (n (%)) | 75 (8.1) | 81 (9.1)† | 0.47 |
| BMI (kg/m2) | 23.7±3.3† | 26.1±3.9* | <0.001 |
| Dyslipidaemia (n (%)) | 227 (24.5) | 261 (29.2)* | 0.025 |
| TC (mmol/L) | 5.25±1.38 | 5.53±1.70* | 0.04 |
| LDL-C (mmol/L) | 3.33±1.08 | 3.58±1.19† | 0.10 |
| HDL-C (mmol/L) | 1.14±0.35 | 1.03±0.37 | 0.69 |
| TG (mmol/L) | 1.81±0.56 | 2.34±0.67† | 0.12 |
| DM (n (%)) | 78 (8.4) | 90 (10.1)† | 0.23 |
| IFG (n (%)) | 171 (18.5)* | 213 (23.8)* | 0.005 |
| FPG (mmol/L) | 5.52±1.91† | 6.07±2.05* | 0.002 |
| Scr (mmol/L) | 76.1±29.4 | 73.8±27.0 | 0.18 |
| BUN (mmol/L) | 5.98±2.02 | 6.04±1.79 | 0.37 |
| eGFR (mL/min/1.73 m2) | 128.7±30.6 | 121.6±28.4 | 0.29 |
| Hyperuricaemia (n (%)) | 140 (15.1) | 162 (18.1)* | 0.09 |
| UA (mmol/L) | 392.5±40.2 | 411.8±37.9* | 0.08 |
*Versus optimal blood pressure p<0.01.
†Versus optimal blood pressure p<0.05.
BMI, body mass index; BUN, blood urea nitrogen; DM, diabetes mellitus; eGFR, estimated glomerular filtration rate; FPG, fasting plasma glucose; HDL-C, high-density lipoprotein cholesterol; IFG, impaired fasting glucose; LDL-C, low-density lipoprotein cholesterol; Scr, serum creatinine; TC, total cholesterol; TG, triglycerides; UA, serum uric acid.