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. 2014 Nov 13;4(11):e006551. doi: 10.1136/bmjopen-2014-006551

Table 2.

Cardiovascular risk factors in different blood pressure statuses

Optimal BP (n=1842) Prehypertension (n=1819) Hypertension (n=1050) p Value
Age (years) 48.8±10.5 52.1±11.3* 54.3±10.4* 0.008
Male (n (%)) 829 (45.0) 1163 (63.9)* 628 (59.8)*† <0.001
Smoking (n (%)) 301 (16.3) 287 (15.8) 186 (17.7) 0.77
Alcoholic (n (%)) 35 (1.9) 42 (2.3) 27 (2.6) 0.464
Family history of hypertension
(n (%))
274 (14.9) 292 (16.1)* 203 (19.3)*† 0.007
Overweight (n (%)) 236 (12.8) 395 (21.7)* 241 (23.0)* <0.001
Obesity (n (%)) 128 (6.9) 156 (8.6) 98 (9.3)* 0.019
BMI (kg/m2) 21.6±3.2 24.9±3.5* 25.6±4.8* 0.001
Dyslipidaemia (n (%)) 420 (22.8) 488 (26.8)* 312 (29.7)*† <0.001
TC (mmol/L) 5.02±1.25 5.39±1.67* 5.64±1.59*† 0.01
LDL-C (mmol/L) 3.21±1.15 3.45±1.18 3.68±1.32* 0.03
HDL-C (mmol/L) 1.18±0.36 1.09±0.38 1.02±0.41 0.75
TG (mmol/L) 1.66±0.42 2.07±0.58* 2.09±0.63* 0.001
DM (n (%)) 138 (7.5) 168 (9.2) 109 (10.4)* 0.002
IFG (n (%)) 261 (14.2) 384 (21.1)* 275 (26.2)*† <0.001
FPG (mmol/L) 5.14±1.96 5.79±2.03* 5.91±2.27* 0.003
Scr (mmol/L) 72.2±19.7 75.0±25.1 79.2±28.9 0.14
BUN (mmol/L) 5.34±1.71 6.01±1.87 6.25±1.99 0.35
eGFR (mL/min/1.73 m2) 126.8±27.9 125.2±29.4 118.1±28.6 0.76
Hyperuricaemia (n (%)) 233 (12.6) 302 (16.6)* 226 (21.5)*† 0.001
UA (mmol/L) 377.5±32.2 402.9±34.6* 428.1±33.8*† 0.007

*Versus optimal blood pressure p<0.05.

†Versus prehypertension p<0.05.

BMI, body mass index; BP, blood pressure; 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.