Table 2.

Between- and within-patient variance components (SD, intraclass correlations [ICC], and means) of predialysis and postdialysis blood pressure parameters for DCI hemodialysis patients in mmHg measured during days 31 to 120 of hemodialysis

SBPDBPMAPPP
EstimateLowerUpperEstimateLowerUpperEstimateLowerUpperEstimateLowerUpper
DialysisMeasure
PreSDBetween17.8817.6218.149.379.249.5111.4211.2511.5812.5012.3212.68
Within18.0317.9918.0711.0311.0011.0512.0412.0112.0714.1514.1214.18
ICC0.500.490.500.420.410.430.470.470.480.440.430.45
Mean150.6150.2151.078.177.978.4102.3102.0102.572.372.072.6
PostSDBetween17.3517.1017.608.818.688.9310.8610.7011.0112.4012.2212.58
Within18.4318.3918.4711.0411.0111.0612.0612.0412.0914.8314.7914.86
ICC0.470.460.480.390.380.400.450.440.460.410.410.42
Mean144.3143.9143.675.575.375.798.498.298.668.668.468.9
  • SBP, systolic blood pressure; DBP, diastolic blood pressure; MAP, mean arterial pressure; PP, pulse pressure. Lower and upper 95% confidence interval bounds are also included.