Sentence examples for missing variables were from inspiring English sources

According to the low missing frequency, missing variables were imputed by its highest frequency value [ 28].

For these variables, the case fatality rate was the same or lower in patients with missing data compared to patients with documented results, supporting our assumption that missing variables were likely within the normal range [data not shown].

Cases with missing variables were excluded from the analysis.

Irregularly missing variables were imputed under the assumption of missingness at random [ 34, 35].

Subjects with missing variables were excluded from analyses involving the specific variable.

In case of missing data, missing variables were excluded from both numerator and denominator.

(4) The maximum likelihood estimation of the missing variables is obtained after convergence.  .

The system achieves coverage of about 90% [ 18, 19] and the data is of high quality; missing variables are rare.

A total of 19 patients in whom only an incomplete data set with more than two missing variables was obtained were excluded from further analysis.

In such situations, the results after chained equations imputation may systematically differ according to the order in which the missing variables are updated in the chained equations algorithm.

Single imputation has been described as a superior method to complete case analysis and equal to multiple imputation if the percentage of missing variables is low, which is the case in this study (0 6.9% as a maximum) (23).