In an intention-to-treat analysis, all participants in a clinical trial are analyzed according to the group to which they were initially assigned.
In medical terminology, the terms "intention" and "intent" are used in phrases such as "intention-to-treat analysis" and "intent-to-treat analysis".
Intention-to-treat analysis is the gold standard for randomized clinical trials.
Intent-to-treat analysis is a statistical method used in clinical trials
While both constructions can be used, "intention-to-treat analysis" is more common.
![Relative frequency of the phrases intention-to-treat-analysis and intent-to-treat analysis](https://www.pristineword.com/content/images/2023/01/Intention-to-treat.png)
Source: Google Books Ngram Viewer
In an intention-to-treat analysis, all participants in a clinical trial are analyzed according to the group to which they were initially assigned, regardless of whether they completed the treatment as planned or not.