# \#responder

**URL:** https://discourse.datamethods.org/tag/responder/107.md

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## [Dichotomization](https://discourse.datamethods.org/t/dichotomization/26337)

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**Author:** [@EvZ](https://discourse.datamethods.org/u/EvZ)\
**Replies:** 86\
**Last updated:** [June 10, 2026, 5:05pm UTC](https://discourse.datamethods.org/t/dichotomization/26337 "2026-06-10T17:05:34Z")

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I’m writing a paper about “An Empirical Assessment of the Cost of Dichotomization” together with Frank Harrell (@f2harrell) and Stephen Senn (@Stephen). In this paper, we quantify the information loss due to dichotomizat…

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## [Descriptive statistics of responders vs non-responders](https://discourse.datamethods.org/t/descriptive-statistics-of-responders-vs-non-responders/3404)

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**Author:** [@a\_randomwalker](https://discourse.datamethods.org/u/a_randomwalker)\
**Replies:** 3\
**Last updated:** [June 4, 2020, 6:27pm UTC](https://discourse.datamethods.org/t/descriptive-statistics-of-responders-vs-non-responders/3404 "2020-06-04T18:27:09Z")

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Is it common or even methodologically correct (or when?) to report demographic characteristics separately for responders and non-responders (assuming they are clearly defined), in addition to those for the overall study …

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## [AKI is both more and less than acute kidney injury](https://discourse.datamethods.org/t/aki-is-both-more-and-less-than-acute-kidney-injury/2350)

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**Author:** [@f2harrell](https://discourse.datamethods.org/u/f2harrell)\
**Replies:** 18\
**Last updated:** [February 9, 2020, 10:54pm UTC](https://discourse.datamethods.org/t/aki-is-both-more-and-less-than-acute-kidney-injury/2350 "2020-02-09T22:54:57Z")

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Responder analysis is a most problematic statistical analysis. General problems with responder analysis are described here. Analysis of acute kidney injury (AKI) as a binary outcome is one example of responder analysis…

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## [Another bad statistical method proposed in sports and exercise science](https://discourse.datamethods.org/t/another-bad-statistical-method-proposed-in-sports-and-exercise-science/2240)

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**Author:** [@arcaldwell49](https://discourse.datamethods.org/u/arcaldwell49)\
**Replies:** 3\
**Last updated:** [September 12, 2019, 5:58pm UTC](https://discourse.datamethods.org/t/another-bad-statistical-method-proposed-in-sports-and-exercise-science/2240 "2019-09-12T17:58:29Z")

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Sports and exercise scientists are becoming increasingly concerned about statistics, and this in part may be due to recent criticism of ‘shoddy’ statistics in sport science (see “magnitude based inference”). One area tha…

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## [Appropriate statistical analyses for predicting response to treatment](https://discourse.datamethods.org/t/appropriate-statistical-analyses-for-predicting-response-to-treatment/1061)

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**Author:** [@jdtaylor](https://discourse.datamethods.org/u/jdtaylor)\
**Replies:** 6\
**Last updated:** [December 16, 2018, 3:31pm UTC](https://discourse.datamethods.org/t/appropriate-statistical-analyses-for-predicting-response-to-treatment/1061 "2018-12-16T15:31:04Z")

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This is my first experience using datamethods.org. Very excited! My question… What are some appropriate statistical analyses for predicting response to treatment, other than regression? Can likelihood ratios be used, …