In late November 2022, Ofqual published their equalities analysis for summer 2022 and a related authored article. They note “This analysis focusses on GCSEs, A levels and vocational and technical qualifications taken alongside them in schools and colleges. It explores how the results for different groups of students have changed over time, when controlling for other variables.”
Whilst it does not have data specific to deafness, it has SEND and non-SEND data that may be of interest.
Ofqual has also published the following: