Table 7.

Multivariate relationships between dialysis unit BP and ambulatory BP

Model 1Model 2Model 3Model 4Model 5Model 6Model 7
Systolic BP β coefficients
    pre-HD0.7090.4100.2120.246
    post-HD0.7450.4640.1900.239
    intradialytic0.8720.6770.6930.421
    constant25.930.212.07.77.210.74.9
    r20.4710.4890.5700.5770.5830.5770.595
    RMSE16.6216.3515.0014.9314.8214.9214.66
    P value: model 7 versus model in column<0.001<0.001<0.05<0.050.051<0.05NA
Diastolic BP β coefficients
    pre-HD0.7680.4600.3240.314
    post-HD0.8400.4470.2380.216
    intradialytic0.8750.5740.6670.394
    constant12.311.98.44.15.06.43.3
    r20.4810.4640.5200.5350.5440.5280.550
    RMSE10.2710.449.889.769.679.849.64
    P value: model 7 versus model in column<0.001<0.001<0.05<0.050.174<0.05NA
  • BP, blood pressure; HD, hemodialysis; RMSE, root mean squared error; NA, not applicable.