Table 1. Implementation dates of COPD care bundle.

Trust name	Implementation date
Chelsea and Westminster NHS Foundation Trust	October 2009
Imperial College Healthcare NHS Trust	April 2010
West Middlesex University Hospital NHS Trust	May 2010
The North West London Hospitals NHS Trust	September 2010
Epsom and St Helier University Hospitals NHS Trust	April 2011
Kingston Hospital NHS Foundation Trust	April 2011
Mayday Healthcare NHS Trust*	April 2011
St Georges Healthcare NHS Trust	April 2011
The Whittington Hospital NHS Trust**	April 2011

* Subsequently changed to Croydon Health Services NHS Trust

** Merged to become Whittington Health from April 2011