The impact of long-term exercise intervention on heart rate variability indices: a systematic meta-analysis.

Front Cardiovasc Med · 2025 · PMC12198180 · PMID 40574815

Europe PMC DOI

hedged sentences

0.4300

closest p · 8.6× alpha

0.4300

boldest claim

The sentences

did not reach statistical significanceP = 0.43not close (p > 0.1)

The meta-analysis indicated that the improvement in SDNN in the intervention group was minimal compared to the control group and did not reach statistical significance (SMD = 0.06, 95% CI: −0.09 to 0.20, P = 0.43).

also in 111,027 other papers

may not be significantno p-value reported

Moreover, the overlapping confidence intervals between groups suggested that the difference may not be significant.

also in 2,774 other papers

Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.