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Correction to: Association between plasma interleukin-33 level and acute exacerbation of chronic obstructive pulmonary disease

The Original Article was published on 15 March 2021

Correction to: BMC Pulm Med (2021) 21:86 https://doi.org/10.1186/s12890-021-01423-8

Following publication of the article [1], it came to the authors’ attention that incorrect R values had been provided for Fig. 4a, b.

Fig. 4
figure 4

Correlation between the expression of IL-33 in lung tissue and amount of smoking (a). Correlation between IL-33 and FEV1 (%) (b). Abbreviations: R, Pearson correlation coefficient; IL, interleukin; FEV1, forced expiratory volume in 1 s

The figure has been updated in the published article and the correct values may be found in this correction article.

The authors thank you for reading and apologize for any inconvenience caused.

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  1. Joo H, Park SJ, Min KH, et al. Association between plasma interleukin-33 level and acute exacerbation of chronic obstructive pulmonary disease. BMC Pulm Med. 2021;21:86. https://doi.org/10.1186/s12890-021-01423-8.

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Correspondence to Kyung Hoon Min or Chin Kook Rhee.

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Joo, H., Park, S.J., Min, K.H. et al. Correction to: Association between plasma interleukin-33 level and acute exacerbation of chronic obstructive pulmonary disease. BMC Pulm Med 21, 337 (2021). https://doi.org/10.1186/s12890-021-01703-3

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  • DOI: https://doi.org/10.1186/s12890-021-01703-3