Sentence examples for variables were expressed from inspiring English sources

Qualitative variables were expressed as frequency (proportion).

Qualitative variables were expressed as percentages.

All variables were expressed as counts.

Categorical variables were expressed as frequencies and percentage, whereas quantitative variables were expressed as media [quartiles].

Continuous variables were expressed as mean ± standard deviation (SD), whereas categorical variables were expressed as percentages.

Quantitative variables were expressed as median [quartiles] and qualitative variables were expressed as percentages.

Continuous variables were expressed as a mean with standard deviation.

The measured variables were expressed as mean values ± SD.

Categorical variables were expressed as numbers and percentages.

Categorical variables were expressed as counts and percentages.

Continuous variables were expressed as median [interquartile range].