Original sentence: Another method to convert written records (such as notes) into electronic format is to scan the documents then perform optical character recognition.EHR systems with image archival capability (such as VistA Imaging) are able to integrate these scanned records (along with other types of image-based records) into fully electronic health records systems.For typed documents, accurate recognition may only achieve 90-95%, though, requiring extensive corrections.Furthermore, illegible handwriting is poorly recognized by optical character readers.However, surveys suggest that 22-25% of physicians are less satisfied with records systems that use scanned documents alone rather than fully electronic data-based systems.Older paper medical records ought to be incorporated into a patient's electronic health record.One method is to merely scan the documents and retain them as images.Some states have proposed making existing statewide database data (such as immunization records) available for download into individual electronic medical records