Table 3.
Standardised β coefficients and associated p values from multiple linear regressions of eGFR on measures of BP variability adjusted for potential confounders (medication classes not shown)
Measure of BP Variability |
eGFR Std β |
Age Std β |
Sex Std β |
Mean BP Std β |
Vascular disease Std β |
BP interval Std β |
Diabetes Std β |
---|---|---|---|---|---|---|---|
SD | −0.04*** | − | 0.06*** | 0.37*** | 0.07*** | − | −0.06*** |
ARV | −0.04*** | 0.02*** | 0.06*** | 0.31*** | 0.06*** | 0.02* | −0.035*** |
SRV | −0.04*** | 0.02* | 0.07*** | 0.32*** | 0.06*** | 0.02* | −0.03*** |
Max systolic | −0.02*** | −0.01* | 0.03*** | 0.88*** | 0.03*** | − | −0.03*** |
SDIM | −0.05*** | − | 0.07*** | −0.04*** | 0.08*** | − | −0.07*** |
ARVIM | −0.04*** | 0.03* | 0.06*** | −0.04*** | 0.07*** | 0.02* | −0.04*** |
SRVIM | −0.05*** | 0.03** | 0.07*** | −0.04*** | 0.07*** | 0.02* | −0.041*** |
*p<0.05, **p<0.01, ***p<0.001.
ARV, average real variability; ARVIM, ARV independent of mean; BP, blood pressure; eGFR, estimated glomerular filtration rate; SDIM, SD independent of mean; SRV, successive real variability; SRVIM, SRV independent of mean.
Coefficients shown if included in stepwise multiple regression.