Meanings of ordinal variable in English

As secondary analysis, NLR was treated as an ordinal variable with three levels based on terciles distribution.

The difficulty arises from the fact that an ordinal variable has discrete values that are labeled with, but not, numerical values.

TDP-43 proteinopathy topographic stage was recorded as an ordinal variable, and TDP-43 burden was defined by averaging a semi-quantitative six-point scale across six brain regions.

Patient outcome is characterized as a vector of two ordinal variables accounting for toxicity and treatment efficacy.

The type of drug and the category of the working activity were synthesized as two different ordinal variables.

The relationships between these ordinal variables are then described by the underlying Gaussian graphical model and can be inferred by estimating the corresponding concentration matrix.