The phrase "a significant difference between groups in" is correct and usable in written English.
It can be used in contexts such as research, statistics, or comparative studies to indicate that there is a notable disparity among different groups regarding a specific variable or outcome.
Example: "The study revealed a significant difference between groups in their response to the treatment."
Alternatives: "a notable difference among groups in" or "a meaningful difference between groups in".
There was a significant difference between groups in the regional blood flow response to levodopa (mood>nonmood, experimentwise p=0.002; mood
On the other hand, the post-test results showed that there was a significant difference between groups in favor of the experimental group.
Whilst, another study failed to find a significant difference between groups in total words recalled (trials 1 5), there were a significantly higher percentage of FEM patients (24%) who had clinically impaired verbal learning on the task (1.5 standard deviations below the mean of the HC group) than HCs (5%) (Hellvin et al. 2012).
There was a significant difference between groups in the change in SOFA score from AVP initiation until 48 h (responders 0.30 ± 2.9 vs. non-responders 0.83 ± 2.9; P = 0.02) and CA dose change from AVP initiation until 6 h (responders − 12.8 ± 9.6 mcg/min vs. non-responders +13.8 ± 51.2 mcg/min; P < 0.001).
As the number of ICU days with SIRS observed in this study population matched well with what the power analysis had been based on, it is unlikely that our trial was underpowered to detect a significant difference between groups in this study population.
A Welch F test (which we selected instead of a one-way ANOVA due to a violation in the assumption of the homogeneity of variances) shows a significant difference between groups in reported EBIP usage [F 2,31.58) = 7.34, p = 0.002] with a large effect size (η 2 = 0.204).
The Mann-Whitney U test showed a significant difference between-groups in physical activity after the intervention (p = 0.001).
There was no significant difference between groups in levodopa plasma concentrations either before or after drug.
There were no significant differences between groups in LT.
There were no significant differences between groups in the other metabolites measured.
No statistically significant differences between groups in major systemic adverse event rates were identified.
