TABLE 2.
Univariable linear regression analysis of the associations between preoperative SBP dynamical metrics and age.
| Variable | ß | 95% CI | p value | |
|---|---|---|---|---|
| BPF (%) | 0.34 | 0.23 | 0.44 | < 0.001 |
| Mean SBP (mmHg) | 0.11 | 0.01 | 0.21 | 0.039 |
| SD (mmHg) | −0.02 | −0.12 | 0.09 | 0.733 |
| CV | −0.05 | −0.16 | 0.05 | 0.313 |
| ARV (mmHg) | 0.11 | 0.00 | 0.21 | < 0.001 |
| DFA ⍺1 | −0.23 | −0.34 | −0.12 | < 0.001 |
The values shown are the regression coefficients (ß) and 95% CIs, for standardized variables. Statistically significant p values are highlighted in bold. Abbreviations: ARV, average real variability; BPF, blood pressure fragmentation; CI, confidence interval; CV, coefficient of variation; DFA, detrended fluctuation analysis; EuroSCORE, European System for Cardiac Operative Risk Evaluation; LOS, length of stay; SBP, systolic blood pressure; SD, standard deviation; and STS, Society of Thoracic Surgeons.