Table 3.

Evolution of renal function, blood pressure, and urinary sodium excretion during the 30-mo follow-up

Basal3 mo6 mo12 mo24 mo30 mo
GFR97 ± 14113 ± 20b111 ± 17110 ± 24114 ± 20109 ± 19
SBP121 ± 5.4127 ± 5129 ± 5.5126 ± 7129 ± 8.1126 ± 10.1
DBP67.1 ± 7.567 ± 10.269.6 ± 1173 ± 8.3a74 ± 7.9a79 ± 6.3a
U Na87 ± 1586 ± 2195 ± 35118 ± 41105 ± 32113 ± 18
  • GFR, glomerular filtration rate (ml/min 1.73 m2); Prot, proteinuria (g/24 h); SBP, systolic blood pressure (mmHg); DBP, diastolic blood pressure (mmHg); U Na, urinary sodium excretion (mEq/day).

  • a P < 0.05,

  • b P < 0.01 when compared to basal levels