Association between Salt Intake and Albuminuria in Normotensive and Hypertensive Individuals

Table 1

Baseline characteristics and clinical data of study population.

Characteristics	low-salt-intake; (𝑛=273)	med-salt-intake; (𝑛=271)	high-salt-intake; (𝑛=276)	𝑃 value
Male gender	190 (69.6)	137 (50.6)	130 (47.1)	<0.001
Age, yr	38.78±14.00	35.88±11.51	37.07±11.97	0.029
Body mass intake (kg/m^2)	24.93±4.22	25.10±4.56	26.43±4.25	<0.001
Waist circumference (cm)	80.60±11.44	82.04±11.93	85.15±12.45	<0.001
Current smoker	25 (9.4)	29 (11.3)	22 (8.5)	0.156
History of hypertension	23 (8.4)	17 (6.3)	34 (12.3)	0.060
Systolic PB, mmHg	106.71±12.82	105.83±12.56	107.45±13.67	0.351
Diastolic BP, mmHg	71.23±9.36	70.54±9.55	72.34±10.68	0.101
Serum BUN level	15.31±3.37	15.21±3.55	15.12±3.73	0.812
Serum creatinine level	0.94±0.17	0.98±0.23	0.98±0.21	0.052
Serum sodium level	138.96±3.12	139.11±3.22	139.25±3.23	0.551
Urine creatinine level	119.24±46.61	133.82±44.21	145.66±49.54	<0.001
Urine albumin	43.07±37.48	46.55±38.18	53.56±47.60	0.011