Table 4.

Comparisons of the means of the studied parameters in hypertensive and normotensive control subjects after intake of glucose with NaCl.

Variable	Nonobese hypertensive mean ± S.E (n = 45)	Obese hypertensive mean ± S.E (n = 55)	t-test P value	Nonobese normotensive mean ± S.E (n = 35)	Obese normotensive mean ± S.E (n = 40)	t-test P value
Systolic BP (mmHg)	146.4 ± 1.0	146.3 ± 1.6	0.924	116.8 ± 1.9	123.3 ± 1.6	0.010∗
Diastolic BP (mmHg)	93.7 ± 1.4	93.5 ± 1.8	0.943	77.3 ± 0.90	80.2 ± 0.96	0.031∗
Mean BP (mmHg)	111.3 ± 1.3	111.1 ± 1.7	0.924	90.5 ± 1.2	94.6 ± 1.1	0.014∗
Serum Na (mmol/L)	137.56 ± 0.59	139.58 ± 0.48	0.009∗	139.7 ± 0.43	139.4 ± 0.56	0.688
Serum K (mmol/L)	4.1 ± 0.72	3.6 ± 0.05	0.48	3.8 ± 0.08	3.8 ± 0.05	0.024∗
Serum aldosterone (pg/ml)	185.98 ± 8.13	169.60 ± 6.38	0.111	109.25 ± 5.45	144.80 ± 5.2	0.000∗
Serum angiotensin II (ng/ml)	31.56 ± 0.65	34.29 ± 0.85	0.016∗	—	—	—

†Comparisons based on the mean value of 5 samples taken 0–120 minutes after intake of glucose with NaCl.