Published in:
Open Access 01-12-2018 | Correction
Correction to: Comparative analysis of COPD associated with tobacco smoking, biomass smoke exposure or both
Published in: Respiratory Research | Issue 1/2018
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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
|