Unfortunately, a confidence interval was published incorrectly in the above manuscript. The corrected version is as follows: “The distance walked in the second test increased on average by 27 m (95% CI 24–29 m).”
The authors apologise for this error.
- ©ERS 2012
Vol 40 Issue 6
Table of Contents
“Reproducibility of 6-minute walking test in patients with COPD”. N.A. Hernandes, E.F.M. Wouters, K. Meijer, J. Annegarn, F. Pitta and M.A. Spruit. Eur Respir J 2011; 38: 261–267.
