Number of hospital presentations for self-harm in Derby from 2003 to 2012 (inclusive) based on Multicentre Study data, Hospital Episode Statistics (HES) emergency department data and HES admission data. Number of hospital presentations for self-harm in Derby from 2003 to 2012 (inclusive) based on Multicentre Study data, Hospital Episode Statistics (HES) emergency department data and HES admission data. Caroline Clements et al. BMJ Open 2016;6:e009749 ©2016 by British Medical Journal Publishing Group