Table 2.

The average sodium intake and removal, BP, and defined daily dose of antihypertensive drugs of study subjects according to tertile of average sodium intake

Basic CharacteristicTertile of Average Sodium IntakeP
LowMiddleHigh
Sodium intake, g/d1.41 ± 0.17a,b1.81 ± 0.11c2.47 ± 0.54<0.001d
Sodium removal, g/d2.20 ± 1.21a,b2.78 ± 1.093.03 ± 1.11<0.001d
SBP, mmHg136.55 ± 15.88136.90 ± 15.07135.69 ± 15.050.91
DBP, mmHg77.84 ± 10.95c78.24 ± 9.1780.91 ± 10.650.07
MAP, mmHg97.41 ± 10.9997.66 ± 9.6799.17 ± 10.270.42
Defined daily dose0.30 (0 to 1.16)1.74 (1.17 to 2.40)3.52 (2.4 to 10.67)0.35
  • Values are mean ± SEM or median (minimum to maximum)

  • a P < 0.001 compared to high-tertile group.

  • b P < 0.001 compared to middle tertile group.

  • c P < 0.05 compared to high-tertile group.

  • d P < 0.001 compared between three groups.