Metrics of BPV | First four readings (n=1403) | Second four readings (n=1403) | ICC (95% CI) | P value |
Mean SBP, mm Hg | 140.2±14.1 | 140.6±13.2 | 0.79 (0.77 to 0.82) | <0.001 |
Maximum SBP, mm Hg | 153.7±17.9 | 153.4±17.5 | 0.71 (0.68 to 0.74) | <0.001 |
Peak size, mm Hg | 13.5±7.9 | 12.7±8.0 | 0.19 (0.89 to 0.27) | <0.001 |
SD of SBP, mm Hg | 12.1±6.0 | 11.4±6.0 | 0.25 (0.17 to 0.33) | <0.001 |
CV of SBP, % | 8.5±4.0 | 8.0±4.0 | 0.16 (0.06 to 0.25) | <0.001 |
ARV, mm Hg | 13.8±8.2 | 12.8±7.7 | 0.14 (0.04 to 0.23) | 0.04 |
First eight readings (n=1399) | Second eight readings (n=1399) | ICC (95% CI) | P value | |
Mean SBP, mm Hg | 140.5±12.4 | 140.3±11.7 | 0.82 (0.80 to 0.84) | <0.001 |
Maximum SBP, mm Hg | 159.9±17.6 | 159.0±17.1 | 0.69 (0.65 to 0.72) | <0.001 |
Peak size, mm Hg | 19.4±9.2 | 18.7±9.4 | 0.20 (0.11 to 0.29) | <0.001 |
SD of SBP, mm Hg | 12.8±4.8 | 12.3±4.6 | 0.38 (0.31 to 0.45) | <0.001 |
CV of SBP, % | 9.0±3.1 | 8.7±3.0 | 0.26 (0.18 to 0.34) | <0.001 |
ARV, mm Hg | 13.4±5.7 | 13.1±5.7 | 0.24 (0.15 to 0.32) | <0.001 |
ARV, average real variability; BPV, blood pressure variability; CV, coefficient of variation; ICC, intraclass correlation coefficient; SBP, systolic blood pressure.