When and where did the study take place?
People were recruited to the SIGGAR trials from 21 NHS hospitals (see below) across England between March 2004 and December 2007.
- Bradford Hospital, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, January 2005 to December 2007
- Frimley Park Hospital, Frimley Park Hospital NHS Foundation Trust, Surrey, December 2006 to August 2007
- Charing Cross Hospital, Imperial College Healthcare NHS Trust, London, December 2005 to August 2007
- Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, March 2006 to September 2007
- St Mary’s Hospital, Imperial College Healthcare NHS Trust, London, April 2006 to August 2007
- Leighton Hospital, Mid Cheshire Hospitals NHS Foundation Trust, Crewe, November 2005 to December 2007
- University Hospital of North Tees, North Tees and Hartlepool NHS Foundation Trust, Stockton-on-Tees, February to October 2007
- St Mark’s Hospital, North West London Hospitals NHS Trust, Harrow, March 2004 to November 2007
- Nottingham City Hospital, Nottingham University Hospitals NHS Trust, Nottingham, May 2005 to September 2007
- Nottingham Queens Medical Centre, Nottingham University Hospitals NHS Trust, Nottingham, June 2005 to October 2007
- Oxford Radcliffe Hospital, Oxford University Hospitals NHS Trust, Oxford, December 2006 to December 2007
- Royal Oldham Hospital, Pennine Acute Hospitals NHS Trust, Oldham, March 2005 to October 2007
- Derriford Hospital, Plymouth Hospitals NHS Trust, Plymouth, March 2006 to November 2007
- Queen Alexandra Hospital, Portsmouth Hospitals NHS Trust, Portsmouth, March 2005 to June 2007
- Royal Cornwall Hospital, Royal Cornwall Hospitals NHS Trust, Truro, March 2005 to June 2007
- Royal United Hospital, Royal United Hospital Bath NHS Trust, Bath, May 2005 to December 2007
- Withington Hospital, University Hospital of South Manchester NHS Foundation Trust, Manchester, April 2006 to August 2007
- Wythenshawe Hospital, University Hospital of South Manchester NHS Foundation Trust, Wythenshawe, July 2006 to June 2007
- Queen Elizabeth Hospital, University Hospitals Birmingham NHS Foundation Trust, Birmingham, August 2004 to November 2007
- Furness General Hospital, University Hospitals of Morecambe Bay NHS Foundation Trust, Barrow-in-Furness, September 2006 to June 2007