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. 2022 Jan 19;11(3):e022865. doi: 10.1161/JAHA.121.022865

Figure 3. Values of complexity of systolic blood pressure (SBP), stratified by quartiles (Qs) of parameters of SD of R‐R intervals (SDRR) (A), root mean square of the successive beat‐to‐beat difference (RMSSD) of R‐R intervals (B), and baroreflex sensitivity (BRS) in low‐frequency (LF) (C) and high‐frequency (HF) (D) bands.

Figure 3

Three invalid quality of ECG recordings and those who do not meet the statistical criterion of BRS coherence were not included. Values of P‐trend are given for linear regression. Data are presented as mean with 95% CI.