PLINK Cochran-Mantel-Haenszel test report
File type: Various data file
A cmh file extension identifies a report produced by PLINK for a Cochran-Mantel-Haenszel 2x2xK test.
The cmh file contains the results of this stratified association analysis.
File type category:
Various data file
Date updated: October 6, 2026
PLINK is a multiplatform genome association analysis toolset developed by Christopher Chang. Its Cochran-Mantel-Haenszel analysis produces a cmh file containing the test report.
The report is a text-based output file containing results and statistical data for the 2x2xK test. It is an analysis result rather than a genotype or phenotype data file, and is normally kept alongside the input data and other PLINK output files.
A cmh file is a text-based report and can be viewed with a plain-text editor. Its tabular contents may also be opened in a spreadsheet that supports delimited text.
Use PLINK on Windows, macOS, or Linux to repeat the analysis that generated the report. PLINK is used to generate this output rather than to edit it as a document.
A cmh file normally does not need conversion. It is an analysis report, not an input dataset intended for conversion to another PLINK format.
If a different tabular representation is required, the text can be processed with a suitable text or data-analysis tool and exported as delimited text such as CSV. This changes the presentation of the results, not the underlying analysis.
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