Key result
Stress Score showed a strong non-linear negative relationship with SDNN (β = -0.969, P < 0.001) and other parasympathetic markers, supporting its use as a sympathetic activity marker in sedentary adults.
Why the study?
Validation of new non-invasive indexes that accurately describe autonomic nervous system balance through heart rate variability analysis is of clinical interest.
Population
156 sedentary healthy adults (38.4 ± 15.57 years old, 81 women)
Design
Cross-sectional study
Authors
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Stress Score may aid sympathetic assessment via HRV in sedentary adults; hypothesis-generating and requires prospective validation before clinical use.
Cross-Sectional (n=156)
No
Effect estimate: β = -0.969
p-value: p=<0.001
Stress Score and Sympathetic/Parasympathetic Ratio derived from non-linear HRV analysis can serve as valid markers of autonomic nervous system activity in sedentary healthy adults.
Navarro‐Lomas et al. (2020) conducted a cross-sectional in Sedentary healthy adults (n=156). Stress Score (SS) and Sympathetic/Parasympathetic Ratio (S/PS) vs. Standard HRV metrics was evaluated on Association of Stress Score (SS) with SDNN (β = -0.969, p=<0.001). Stress Score showed a strong non-linear negative relationship with SDNN (β = -0.969, P < 0.001) and other parasympathetic markers, supporting its use as a sympathetic activity marker in sedentary adults.
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