A practical, introductory guide to the best use of Patient Reported Outcomes (PROs) to improve the quality of health care and patient health. Only title to exclusively introduce, explain and show how PROs can be best used to improve healthcare and patient outcomes  Includes real life examples and case studies of PROs in practice  Assesses the growing evidence base for PROs in practice  Editor team from Office of Health Economics (OHE), The King's Fund and King’s College London with contributions from practising clinicians, GPs and other healthcare professionals