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Table 3 Data of subjects with significant changes in forced expiratory volume in six seconds (FEV6) or forced vital capacity (FVC) in the bronchodilation test

From: Responses of FEV6, FVC, and FET to inhaled bronchodilator in the adult general population

age

gender

FEV1/FVC post

FEV1

post

smoking status

history of OAD

change in FVC

change in FEV6

change in FET

change in FEV1

[yrs]

 

[%]

[%*]

[pack-years]

 

ml

%

ml

%

s

%

ml

%

52.9

m

48.9%

62.1%

current smoker 22.2

asthma

1183

32.8

979

34,1

0.3

1.5

573

32.4

50.5

w

55.5%

59.7%

current smoker 33.0

no dg

no med

350

11.6

424

15.9

-1.2

-10.1

381

25.5

67.8

m

44.7%

51.4%

former smoker 35.0

COPD

557

16.0

446

15.2

2.9

22.1

321

21.6

47.5

w

50.0%

51.9%

current smoker 52.2

asthma

350

12.5

336

15.1

-1.7

-9.2

246

18.5

63.0

m

38.7%

46.9%

current smoker 84.0

no dg asthma med

353

9.5

418

14.2

-1.3

-7.8

241

18.1

52.6

w

78.4

79.3

non-smoker

0.0

asthma

240

8.9

329

12.9

-4.5

-34.5

364

18.8

52.4

w

43.1%

45.0%

former smoker 14.0

asthma

378

17.4

107

5.8

8.0

70.7

109

11.0

  1. FEV1 = forced expiratory volume in one second; FVC = forced vital capacity; OAD = obstructive airways disease; FEV6 = forced expiratory volume in six seconds; FET = forced expiratory time; dg = diagnosis; med = medication.
  2. * of predicted values from [24]