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±11.253.7±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±1.385.53±1.70*0.04
LDL-C (mmol/L)3.33±1.083.58±1.19†0.10
HDL-C (mmol/L)1.14±0.351.03±0.370.69
TG (mmol/L)1.81±0.562.34±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±29.473.8±27.00.18
BUN (mmol/L)5.98±2.026.04±1.790.37
eGFR (mL/min/1.73 m2)128.7±30.6121.6±28.40.29
Hyperuricaemia (n (%))140 (15.1)162 (18.1)*0.09
UA (mmol/L)392.5±40.2411.8±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.