The phrase "a significant relation was" is correct and usable in written English.
It can be used in contexts where you are discussing findings or results in research, statistics, or analysis that indicate a meaningful connection between variables.
Example: "In the study, a significant relation was found between exercise frequency and overall health outcomes."
Alternatives: "a notable correlation was" or "an important association was".
A significant relation was found between the number of aircraft noise events judged as "not acceptable" and the total annoyance response.
However, even though a significant relation was found in Bouffaud et al.29 between total rhizobacterial community composition and the phylogeny of the same Poaceae genotypes used in this study, no relation was found here when considering diazotroph community composition (Fig. 3).
They concluded that, because a significant relation was found between cell density and 18F-FDG uptake, reduced cell density in these patients account for the low prevalence of positive findings of AAA patients at PET imaging [17].
However, a significant relation was observed with TP53 gene mutations (Table 4).
On the other hand a significant relation was found in a larger cohort of 3391 CTS patients and 13.564 matched controls (OR 1.51 (95% BI 1.24-1.84)) [ 4].
In the previous pharmacologic study also a significant relation was found between the AUC as well as the AUA and the toxicity, in particular the thrombocytopenia.
The reason why midpiece volume but not midpiece length showed a significant relation is not clear, since data show that there is very little variation in midpiece length in artiodactyls, carnivores and primates (see additional file 1).
Using multivariate logistic regression, a statistically significant relation was only found for an elevated admission serum cTnI, however pH also shows a strong trend toward influencing MACE.
This contrasts with the results of the same meta-analysis, in which a statistically significant relation was found between this factor and a successful result.
However, a highly significant relation was found with cause of death as those died traumatically had higher consumption P = 0.007 (Table 1 and 2).
A statistically significant relation was found between baseline hypertension and death at 90 days, when defining baseline hypertension as baseline sBP = 170 mmHg and/or baseline dBP = 110 mmHg.
