The phrase "are not highly significant" is correct and usable in written English.
It can be used when discussing the importance or relevance of a particular subject or finding, indicating that it lacks substantial significance.
Example: "The results of the study indicate that the differences in performance are not highly significant, suggesting that further research may be needed."
Alternatives: "are not particularly important" or "lack considerable significance."
"But the study was of a small group over a short period of time so the results are not highly significant.
Heitz et al. (2009) show similar results for muddy floods but, as in this case study, the differences are not highly significant.
In fact, these effects are not highly significant (p = 0.02 for the mean age of females and p = 0.043 for the mean age of males).
While this phenomena has been discussed in a theoretical context [14] and has been shown to exist in animal models [15], [16], it has not commonly been seen in human studies, particularly one with thousands of variants, such as a GWA study in which any SNPs that are not highly significant are often not included in follow-up interaction or non-interaction studies.
The non-coding conserved regions were, in some cases, actually depleted for TAVs, leading us to assume that these variants are not highly significant in our traits.
The FRFPs are higher in CSEs than in complex ASEs in both species, though the differences are not highly significant (both P-values > 0.01).
Whether people choose to signal their wealth by spending money on huge cars or antique paintings is arbitrary, but that does not mean the environmental consequences aren't highly significant.
Although endothelial cell viability under flow was not highly significant (p = 0.04) compared to the static conditions, it was clearly improved (higher than a 53% increase of the viability), whereas astrocytes and pericytes remained unchanged.
The point is not highly significant, since as before, pure representationalism is an unoccupied position.
The effect of process variable X 3 [initial concentration of Cr VI)] onto the percentage removal of phenol was not highly significant.
What was not highly significant was religious tradition, or whether pastoral leaders were hired by congregations or appointed by denominational hierarchies.
