Table 2.

BP levels by hypertension classification as defined by median midweek intradialytic BP

SNWCHMHTNSHTNTotalP
Ambulatory BP
    systolic115.6 ± 11.9122.2 ± 10.0150.1 ± 14.4150.2 ± 15.7134.0 ± 21.3<0.01
    diastolic66.9 ± 8.870.2 ± 8.782.5 ± 12.887.3 ± 11.876.9 ± 14.0<0.01
    heart rate81.1 ± 11.079.1 ± 11.078.3 ± 11.578.5 ± 11.979.4 ± 11.40.28
Median midweek intradialytic BP
    systolic117.3 ± 12.0148.4 ± 11.3125.3 ± 10.1157.3 ± 17.2137.2 ± 22.5<0.01
    diastolic64.5 ± 7.882.9 ± 10.267.6 ± 7.486.7 ± 11.075.5 ± 13.8<0.01
    heart rate77.7 ± 12.573.8 ± 8.574.4 ± 12.075.2 ± 12.275.7 ± 11.80.13
Prehemodialysis BP
    systolic135.0 ± 15.9150.5 ± 15.9154.8 ± 17.6163.7 ± 15.8150.4 ± 20.2<0.01
    diastolic72.6 ± 9.382.2 ± 11.581.4 ± 10.289.9 ± 11.081.5 ± 12.7<0.01
    heart rate81.0 ± 11.980.5 ± 9.677.4 ± 11.478.5 ± 11.679.5 ± 11.50.15
Posthemodialysis BP
    systolic120.8 ± 12.6140.5 ± 14.5133.5 ± 15.0153.4 ± 21.7137.1 ± 21.8<0.01
    diastolic66.2 ± 8.277.3 ± 9.072.9 ± 10.983.7 ± 12.275.0 ± 12.7<0.01
    heart rate79.8 ± 12.278.3 ± 9.977.4 ± 9.879.3 ± 11.779.0 ± 11.40.58
  • The classification of hypertension categories was based on median midweek intradialytic BP and 44-hour ambulatory BP (see text).