Effects of high-intensity interval training on physical fitness in trained adolescent athletes: a systematic review and meta-analysis.

Front Physiol · 2026 · PMC13222820 · PMID 42232810

Europe PMC DOI

hedged sentence

0.0500

closest p · 1.0× alpha

0.0500

boldest claim

The sentences

did not reach statistical significancep > 0.05actually significant

For VO 2 max, the between-subgroup differences for age, competitive level, intervention duration, training frequency, total number of training sessions, HIIT type, and HIIT mode did not reach statistical significance (all p > 0.05).

also in 111,027 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.