medical records for one or more patients, and (ii) the number of patients for whom your trust (or hospitals within your trust) holds only paper medical records.

https://www.dgft.nhs.uk/disclosurelog/medical-records-for-one-or-more-patients-and-ii-the-number-of-patients-for-whom-your-trust-or-hospitals-within-your-trust-holds-only-paper-medical-records/