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. 2014 Nov 6;1:7. doi: 10.3389/fcvm.2014.00007

Table 1.

Statistical differences in demographic characteristics and laboratory data in two groups of patients (values are expressed as mean ± SD).

Parameter PA (n = 30) EH (n = 31) p
Age (years) 55 ± 11 54 ± 10 NS
Gender (male/female) 8/22 16/14 NS
Body mass index (kg/m2) 26.9 ± 4 25.1 ± 3 NS
SBP/DBP 135 ± 17/82 ± 10 129 ± 11/79 ± 6 NS/NS
Heart rate (bpm) 70 ± 10 70 ± 8 NS
Glycemia (mg/dL) 92 ± 13 94 ± 18 NS
Metabolic syndrome 11/30 8/31 NS
Serum K+ (mEq/dL) 3.99 ± 0.68 4.27 ± 0.37 <0.05
Creatinine (mg/dL) 1 ± 0.19 0.86 ± 0.15 <0.001
PAC (ng/dl) 426 ± 422 104 ± 60 <0.0001
PAC/PRA (ng/dl:ng/ml/h) 84.3 ± 79 17.6 ± 15 <0.00002

PA, primary aldosteronism; EH, essential hypertension; SBP/DBP, systolic and diastolic blood pressure; PAC, plasma aldosterone concentration; PAC/PRA, plasma aldosterone/plasma renin activity; NS, not significant; p < 0.05 is considered statistically significant.