The phrase "a substantial discrepancy between" is correct and usable in written English.
It can be used when discussing a significant difference or variation between two or more items, data sets, or situations.
Example: "The report revealed a substantial discrepancy between the projected sales figures and the actual results."
Alternatives: "a significant difference between" or "a notable gap between".
A new study has found a substantial discrepancy between the number of cancers detected during life and those found in autopsies.
The results confirmed the existence of a substantial discrepancy between the predicted and observed lateral spreads, indicating a need for improved models that consider uncertainties in the input parameters.
In our study, there was a substantial discrepancy between the severity of the depressive syndrome judging from the HAMD and BDI, respectively.
Unlike other studies, we found a substantial discrepancy between these techniques.
However, we often have a substantial discrepancy between the number of observations available for different traits.
There is a substantial discrepancy between authors, as regards the norm for vomer dimensions.
The measured radial threshold strength of the Si3N4/TiN composite agreed quite well with the theoretical prediction, while a substantial discrepancy existed between the measured and predicted axial threshold strength due to the difference in the configuration of the cracks used in testing and theoretical modeling of the axial threshold strength.
A substantial discrepancy existed between the INRs of male and female neonates (p = 0.049), and the gender-specific RIs are shown in Table 2.
As noted in table 1, a substantial discrepancy was evident between reporting an ITT strategy versus actually conducting a 'true' ITT analysis (ie, reporting an ITT strategy when something other than ITT was conducted).
A substantial discrepancy may exist between the clinical diagnosis and PCT-based diagnosis of sepsis, and PCT-based sepsis diagnosis seems to be more reliable and discriminating than the clinical diagnosis.
A substantial discrepancy has been found between the prevalence rates and the number of psychosocial problems being treated in childhood (see for a review Costello et al. 2005).
