The information you collect can be helpful in many ways....
The information your patients provide can help you and your patient communicate more effectively about how they are, what they need treatment for and how they are getting on.
It may be useful to collect all this information in one place.
The information you collect (once anonymised) can also help you communicate more effectively with other stakeholders – future patients, other therapists, other healthcare practitioners, commissioners of healthcare (charities, NHS), funders (e.g. healthcare insurers), and researchers