The phrase "a significant agreement between" is correct and usable in written English.
You can use it when discussing a notable or important consensus or understanding reached by two or more parties.
Example: "There was a significant agreement between the two countries regarding trade policies that will benefit both economies."
Alternatives: "a major accord between" or "a substantial consensus among".
A significant agreement between the experimental and numerical results was achieved.
It should be noted, however, that our study demonstrated a significant agreement between LV diameter and area.
Through the orthogonal study, the combination of levels of the elastic constants that led to a significant agreement between the FE and practical results was identified.
In terms of the quality of investment decisions, Mollick and Nanda (2016) find a significant agreement between the funding decisions of crowds on Kickstarter (a pure crowd platform) and those of the experts they surveyed.
In addition, previous research [ 10] found a significant agreement between anatomic and metabolic criteria.
There is a significant agreement between adjusted and unadjusted percentile classification (k=.917, p<.01) in later born male babies.
A significant agreement was found between macro-vascular (TCD) and micro-vascular (DCS) hemodynamics, between the NIRS and TCD data, and also within NIRS and DCS results.
Furthermore, for the optimum solutions, a significant agreement was indicated between the predicted and numerical values.
The CS = 0.75 (p<0.0001) indicates a positive significant agreement between Zhou's signature and our data.
The experiments demonstrated that the γ-H2AX-TRITC foci coincide with 53BP1-FITC foci, resulting in a statistical significant agreement between the number of double stained foci (merge) and the number of individual γ-H2AX-TRITC foci (results not shown).
Our GSEA analysis showed a highly significant agreement between all three platforms, since each gene set identified by any of the three platforms was found to be asymmetrically distributed within the remaining rank ordered differential gene expression datasets (GSEA FDR q-value = 0 for all comparisons).
