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80.7percent

In a retrospective study of 327 patients with carpal tunnel syndrome, 80.7 percent had the condition in both hands when judged by nerve conduction testing.

Checked against its source on October 17, 2026

In the source's own words

“The median duration of symptoms was 60 days. The prevalence of bilateral CTS was 80.7%.”

Prevalence and predictive factors for bilateral carpal tunnel syndrome by electrodiagnosis: A retrospective study, Apiradee Singjam and Kanchana Charoentanyarak, PLoS One, 2021, Results.

Open the original (DOI 10.1371/journal.pone.0260578)
What it measures
Patients at Khon Kaen Hospital in Thailand were referred with symptoms and tested with electrodiagnostic (nerve conduction) studies. The group had a mean age of 50.0 years, and 82.6 percent were women.
What it does not show
Retrospective and from one hospital. The figure counts nerve test results in patients already referred for testing, so it is not a rate for the general population.

Source

Cited on

Both hands affected in 80.7 percent of tested patients | Yap