The phrase "at a discrepancy between" is correct and usable in written English.
It can be used when discussing a difference or inconsistency between two or more items, data points, or situations.
Example: "The audit revealed that there was at a discrepancy between the reported sales figures and the actual revenue."
Alternatives: "at odds with" or "inconsistent with".
The committee also expressed concern at a discrepancy between evidence from MI6 and a British police counter-terrorism unit over when MI6 was first informed of the arrest.
Results derived from PCA-fused data are highly consistent with the ground statistics at a discrepancy between 0.35% for evaporation zone and 1.80% for condensation zone.
Money was provided to improve the squad, with only the failure to land Scott Allan and Toumani Diagouraga hinting at a discrepancy between Warburton's and the board's vision for the future.
At issue was a discrepancy between Election Day and recount totals in one of the city's precincts.
At first sight, there appeared a discrepancy between the relatively moderate (±1.5-fold) higher expression of glycolysis and protein synthetic machinery in the highly responsive beta cells, and their 2 to 3-fold higher actual protein synthetic rates (Fig. S2c).
We find at the very beginning of logic a discrepancy between the scope of logical theory and common sense reasoning.
If there is a discrepancy between the Statutes at Large and the United States Code, the Statutes at Large trumps unless the title has been enacted into positive law, which has not happened with the majority of titles.
The root cause of this poor performance of data augmentation is a discrepancy between the rates at which the target density and MCMC step sizes concentrate.
Furthermore, we observed a discrepancy between GLUT4 abundance at the plasma membrane and glucose uptake in VAMP5-depleted cells: the latter was disproportionally increased.
