Correction to: BMC Pulm Med

https://doi.org/10.1186/s12890-018-0711-8

Following publication of the original article [1], the authors flagged an error in Table 2; specifically, within the row beginning ‘Aldrich et al. 2013’ on page 11 of the article PDF.

The error in this row is under the column ‘mL/yr’, and the error reads:

  • -344.8 [CI, − 347.3 to − 342.3]i

  • -337.6 [CI, − 340.4 to − 334.8]

  • -336 [CI, − 341 to − 332]

Please be advised that this data should read:

  • -44.8 [CI, − 47.3 to − 42.3]i

  • -37.6 [CI, − 40.4 to − 34.8]

  • -36 [CI, − 41 to − 32]