Sentence examples for between subgroups were done from inspiring English sources

Comparisons between subgroups were done using the Pearson Chi-Square test.

Survival distributions were estimated by the Kaplan Meier method, and the comparison between subgroups was done by the log-rank test.

The comparison between the subgroups was done by means of t-tests.

Identification of CpG sites that were differentially methylated between tumors and matched tumor-adjacent gastric tissues was performed using the paired sample t-test, while that between methylation subgroups was done using the ANOVA-test.

Analysis of survival times was performed using the method of Kaplan Meier, and comparison of survival between patient subgroups was done by Log-rank test and Cox proportional hazard regression.

Computing the hazard ratio between two survival curves is a good measure of how much better or worse a certain subgroup is doing compared with another.

The following descriptive differences between subgroups were also observed, although they did not reach statistical significance.

A Poisson distribution was assumed in the calculation of the 95% CI and differences in incidence rates between subgroups were considered significant if the CIs did not overlap.

Scores between subgroups were compared using non-parametric methods, but means are presented because median scores did not show differences between sub-groups.

No differences between subgroups were identified.

No large differences between subgroups were observed.