Table 3.
Relationships between changes in ambulatory BP, dialysis unit BP and home BP
| Timing of BP | SBP beta coefficients (4 weeks) |
SBP beta coefficients (8 weeks) |
|||||
|---|---|---|---|---|---|---|---|
| Parameter: | preHD | postHD | home | preHD | postHD | home | |
| Coefficient | 0.258 | 0.219 | 0.371 | 0.410 | 0.356 | 0.501 | |
| Constant | −6.5 | −6.8 | −6.4 | −6.9 | −8.6 | −7.0 | |
| r2 | 0.103 | 0.078 | 0.123 | 0.212 | 0.246 | 0.298 | |
| RMSE | 14.13 | 14.32 | 13.96 | 15.36 | 15.03 | 14.50 | |
| AIC | 1,002.5 | 1,005.8 | 999.6 | 1,014.8 | 1,009.5 | 1,006.3 | |
| BIC | 1,008.1 | 1,011.4 | 1,005.2 | 1,020.4 | 1,015.1 | 1,000.7 | |
| Extent of evidence for home BP as a better model vs. model in column | positive | strong | very strong | strong | |||
| DBP beta coefficients (4 weeks) |
DBP beta coefficients (8 weeks) |
||||||
|---|---|---|---|---|---|---|---|
| Parameter: | preHD | postHD | home | preHD | postHD | home | |
| Slope | 0.359 | 0.305 | 0.521 | 0.302 | 0.304 | 0.434 | |
| Constant | −3.7 | −4.8 | −3.7 | −4.6 | −4.8 | −4.4 | |
| r2 | 0.203 | 0.227 | 0.155 | 0.156 | 0.227 | 0.219 | |
| RMSE | 7.9 | 7.7 | 8.1 | 8.1 | 7.7 | 7.8 | |
| AIC | 858.3 | 873.6 | 865.7 | 858.2 | 847.3 | 848.7 | |
| BIC | 864.0 | 879.2 | 871.3 | 863.8 | 852.9 | 854.3 | |
| Extent of evidence for home BP as a better model vs. model in column | home worse (strong) | strong | strong | home worse (weak) | |||
RMSE = Root mean squared error; AIC = Akaike information criterion; BIC = Bayesian information criterion.