Which errors do the medical defence organisations most frequently report?

By contacting the MDOs and accessing the internet, the paediatric case reports from the Medical Protection Society from 2001 to 2010, from the Medical and Dental Defence Union of Scotland from 2004 to 2010 and from the annual reports of the Medical Defence Union from 2007 to 2009 were obtained. Delayed/failed diagnosis of meningitis 5 Delayed diagnosis of slipped upper femoral epiphysis 5 Delayed diagnosis of a brain tumour 3 Delayed diagnosis of pulmonary TB that led to TB meningitis 2 Delayed/failed diagnosis of meningococcal septicaemia 2 Delayed diagnosis of testicular torsion 2 Miscellaneous cases 23 The miscellaneous cases included a delayed diagnosis of appendicitis, a delayed diagnosis of neonatal jaundice that lead to kernicterus, a delayed diagnosis of septic arthritis, failure to follow-up a urine result in a case of a urinary tract infection with subsequent scarring, a medication error and some other rarer conditions.