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The Fisher exact test was used to compare grouped data such as sex, Confusion Assessment Method for the Intensive Care Unit (CAM-ICU), and mortality.
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Fisher's exact test was used to compare groups.
We used the Mann–Whitney nonparametric test to compare groups and the Spearman test for correlations.
Wilcoxon Rank Sum test was used to compare groups with p< 0.05 taken as significant.
Therefore, non-parametric Mann–Whitney U tests were utilised to compare groups for each cognitive measure.
ANOVA and Chi-square test were used to compare groups on socio-demographic and clinical data.
†Levene's test for equality of variances <0.01, Mann Whitney test was used to compare groups.
Thus, it is important to compare groups that are similar in terms of wage-enhancing characteristics.
Hence, we did not compare group paging with the other push-based schemes.
Values ≥0.7 indicate acceptable reliability for scales that are used as research tools to compare groups.
The logrank test was used to compare groups.
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