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  • Correction
  • Open Access

Correction to: Comparative analysis of COPD associated with tobacco smoking, biomass smoke exposure or both

  • 1Email author,
  • 2,
  • 2,
  • 3,
  • 4,
  • 5 and
  • 2
Respiratory Research201819:77

https://doi.org/10.1186/s12931-018-0765-4

  • Published:

The original article was published in Respiratory Research 2018 19:13

Correction

In the original publication [1] there is an error in the FEV1/FVC values found in Table 1. The correct version can be found in this Erratum.
Table 1

Demographic and clinical data

 

Control Subjects

n = 52

TS COPD

n = 49

BS COPD

n = 31

TS + BS COPD

n = 46

Sex, Male (%)/Female (%)

15(29) / 37(71)

35(71) / 14(29)

12(39) / 19(61)

26(63) / 20(37)

Age, years

70.34 ± 5.95

69.41 ± 8.69

72.29 ± 9.49

69.93 ± 7.19

Smoking history, pack-years

41.57 ± 25.62

55.46 ± 47.12

Biomass exposure, hour-years

340.90 ± 206.09

345.15 ± 193.16

Scolarship, years

13.21 ± 2.06

7.56 ± 4.25 a

5.20 ± 3.59 a, b

6.09 ± 3.93 a, b

BMI, kg/m2

30.09 ± 5.54

27.67 ± 5.08 a

26.57 ± 3.06 a

27.35 ± 5.69 a

Exacerbations in the previous year

1.10 ± 1.37

0.58 ± 0.42

0.69 ± 1.29

FEV1, % predicted

110.19 ± 17.46

56.88 ± 19.37 a, c

68.09 ± 32.30 a

53.79 ± 18.67 a, c

FEV1/FVC, %

84.46 ± 4.24

54.25 ± 11.17 a

58.39 ± 8.62 a

53.53 ± 12.35 a, c

DLCO, % predicted

81.52 ± 21.21

66.60 ± 19.82 a

73.73 ± 17.16

61.22 ± 24.98 a, c

Oxygen Saturation, %

96.91 ± 1.36

92.65 ± 4.55 a

93.94 ± 4.04 a

90.52 ± 4.90 a, b, c

6 MW, meters

492.48 ± 78.51

355.96 ± 163.02 a

375.29 ± 143.75 a

344.09 ± 161.12 a

mMRC

2.38 ± 1.47

2.37 ± 1.16

2.67 ± 1.03

CAT

15.49 ± 8.21

14.84 ± 6.69

13.18 ± 6.69

BODE

2.88 ± 5.71

2.71 ± 6.35

3.87 ± 7.72

Data presented as mean ± standard deviation, unless otherwise indicated. Definition of abbreviations: BMI body-mass index, FEV 1 forced expiratory volume in 1 s, FVC forced vital capacity, DL CO carbon monoxide diffusing capacity, 6 MW 6 min walking test, mMRC modified Medical Research Council scale, CAT COPD assessment test, BODE Body-mass, airflow Obstruction, Dyspnea and Exercise index

aDifferent from control subjects (p < 0.05, by ANOVA)

bDifferent from TS COPD (p < 0.05, by ANOVA)

cDifferent from BS COPD (p < 0.05, by ANOVA)

Notes

Declarations

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

Authors’ Affiliations

(1)
Instituto de Ciencias Biomédicas, Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, 5 Poniente #1670, 3460000 Talca, Chile
(2)
Unidad Respiratorio, Centro de Diagnóstico Terapéutico, Hospital Regional de Talca, 1 Norte #1990, 3460000 Talca, Chile
(3)
Subdepartamento de Salud Laboral, Hospital Regional de Talca, 1 Norte #1990, 3460000 Talca, Chile
(4)
Departamento de Salud Pública, Facultad de Medicina, Pontificia Universidad Católica de Chile, Av. Libertador Bernardo O’Higgins #340, 35420000 Santiago, Chile
(5)
Respiratory Institute, Hospital Clínic, Institut d’Investigacions Biomédiques August Pi i Sunyer (IDIBAPS) Universitat de Barcelona, Rosselló #149-153, 08036 Barcelona, Catalonia, Spain

Reference

  1. Comparative analysis of COPD associated with tobacco smoking, biomass smoke exposure or both. Respir Res. 2018;19:13. https://doi.org/10.1186/s12931-018-0718-y View ArticlePubMedPubMed CentralGoogle Scholar

Copyright

© The Author(s). 2018

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