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World Journal of Clinical Pediatrics
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2219-2808
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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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©Author(s) (or their employer(s)) 2026.
World J Clin Pediatr. Mar 9, 2026; 15(1): 116331
Published online Mar 9, 2026. doi: 10.5409/wjcp.v15.i1.116331
Figure 5
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Figure 5 Heart-rate variability changes after omega-3 supplementation. Summary of heart rate variability metric changes following omega-3 supplementation. Significant improvements were observed in time-domain indices (standard deviation of normal-to-normal intervals, root mean square of successive differences), whereas frequency-domain indices (high frequency, low frequency) showed non-significant changes. Dark bars indicate statistically significant outcomes (P < 0.05). HF: High frequency; LF: Low frequency; RMSSD: Root mean square of successive differences; SDNN: Standard deviation of normal-to-normal intervals.
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