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105participants

The 2022 Cochrane review on carpal tunnel equipment pooled two randomised trials with 105 participants, comparing ergonomic keyboards with placebo keyboards.

Checked against its source on October 16, 2026

In the source's own words

“We included two trials (105 participants) comparing ergonomic versus placebo keyboards.”

Ergonomic positioning or equipment for treating carpal tunnel syndrome, Dennis O'Connor et al., Cochrane Database of Systematic Reviews, 2022, Main results.

Open the original (DOI 10.1002/14651858.CD009600)
What it measures
People in both trials already had carpal tunnel syndrome or symptoms of it.
What it does not show
Only two trials. No trial compared ergonomic equipment with no treatment.

Source

Cited on

Cochrane 2022: two trials, 105 people, keyboards vs placebo | Yap