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. 2024 Dec 24;15:1482266. doi: 10.3389/fneur.2024.1482266

Table 4.

Resting seated and standing heart rate variability and blood pressure.

Mean change (95% CI) p value
Seated posture
c-AEP, pre-intervention to 12-weeks (n = 50)
HR (bpm) 0.457 (−1.808, 2.000) 0.692
pNN50 (%) 0.071 (−3.379, 3.523) 0.967
RMSSD (ms) −0.863 (−4.900, 3.174) 0.675
SDNN (ms) −2.373 (−6.613, 1.865) 0.272
LF norm (n.u.) −1.548 (−6.547, 3.452) 0.544
HF norm (n.u.) 1.548 (−3.282, 6.377) 0.530
LF/HF −0.877 (−2.268, 0.513) 0.216
SBP (mmHg) −2.478 (−5.005, 0.049) 0.055
DBP (mmHg) −1.048 (−2.860, 0.765) 0.257
Standing posture
c-AEP, pre-treatment to 12-weeks (n = 50)
HR (bpm) 0.825 (−2.000, 3.650) 0.567
pNN50 (%) −0.472 (−2.213, 1.268) 0.595
RMSSD (ms) −0.364 (−3.233, 2.504) 0.803
SDNN (ms) 0.337 (−4.582, 5.256) 0.893
LF norm (n.u.) −0.778 (−4.330, 2.775) 0.668
HF norm (n.u.) 0.778 (−2.740, 4.296) 0.665
LF/HF −0.917 (−2.000, 0.164) 0.096
SBP (mmHg) 0.267 (−2.756, 3.290) 0.863
DBP (mmHg) −0.935 (−2.684, 0.813) 0.294

Mean change and 95% confidence intervals from linear mixed-effect model of clinical outcomes from pre-treatment to 12-weeks of intervention for c-AEP (n = 50). c-AEP, combined aerobic exercise protocol; DBP, diastolic blood pressure; HR, heart rate; HF norm, high frequency power in normalized units; LF norm, low frequency power in normalized units; LF/HF ratio, low frequency to high frequency ratio; pNN50, percent of RR intervals differing by more than 50 ms; RMSSD, root mean squared of successive RR interval differences; SBP, systolic blood pressure; SDNN, standard deviation of RR intervals. † Average of two manual brachial blood pressures.

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