Synergistic effects of virtual reality and traditional treatment methods in the management of chronic obstructive pulmonary disease: a systematic review and meta-analysis of randomized controlled trials.

PeerJ · 2025 · PMC12579849 · PMID 41185702

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may be significantno p-value reported

This means that caution is needed when interpreting the overall results, as there may be significant differences in effect across different studies.

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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.