1. Implications of comorbidity for primary care costs in the UK: a retrospective observational study
by Samuel L Brilleman, Sarah Purdy, Chris Salisbury, Frank Windmeijer, Hugh Gravelle, and Sandra Hollinghurst
BJGP
Volume 63(609):e274-e282
April 1, 2013
©2013 by British Journal of General Practice

2. Estimated additional annual cost, £, of treating a patient with comorbidity compared with two patients each with only one of the conditions.
Estimated additional annual cost, £, of treating a patient with comorbidity compared with two patients each with only one of the conditions. CHD = coronary heart disease. CKD = chronic kidney disease. COPD = chronic obstructive pulmonary disease.
Samuel L Brilleman et al. Br J Gen Pract 2013;63:e274-e282
©2013 by British Journal of General Practice