COPD management costs according to the frequency of COPD exacerbations in UK primary care [Corrigendum]

This article refers to:

COPD management costs according to the frequency of COPD exacerbations in UK primary care

Punekar YS, Shukla A, Müllerova H. International Journal of COPD. 2014;9:65–73.

On page 69, note that there was an error in the bar graph shown in Figure 1. The group with no exacerbations during the 12 months of follow-up should have a zero value for the cost of exacerbations. The corrected figure is provided below.

Figure 1 Costs of COPD treatment (per patient per year) before and after cohort entry date.

Note: ^aClassification based on moderate-to-severe exacerbation frequency in the follow-up period.
Abbreviations: COPD, chronic obstructive pulmonary disease; GP, general practitioner.