A Review of Virtual Coaching Systems in Healthcare: Closing the Loop With Real-Time Feedback.

Front Digit Health · 2020 · PMC8522109 · PMID 34713040

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an increasing trendno p-value reported

An increasing trend in the number of studies per year, and therefore virtual coaching systems developed, can be observed within the last decade, and in fact 75.6% of the 41 studies included were published during the second half of the decade.

also in 63,971 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.