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Table 2 Concurrent changes in forced expiratory volume in one (FEV1) and six (FEV6) seconds, forced vital capacity (FVC) and forced expiratory time (FET) in the bronchodilation test in general population

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

 

men (n = 260)

women (n = 368)

 
 

mean (SD)

95% CI

95th percentile

mean (SD)

95% CI

95th percentile

gender difference

(p value)

change of FEV1 [ml]

107.4 (130.6)

91.4 – 123.3

335.3

55.9 (86.2)

47.1 – 64.8

214.5

<0.001

change of FEV1 % from baseline

3.0 (4.3)

2.5 – 3.5

8.6

2.2 (3.7)

1.8 – 2.6

8.4

0.009

change of FEV6 [ml]

-2.1 (137.7)

-18.9 – 14.8

195.8

-21.4 (93.5)

-31.0 – -11.8

144.9

0.036

change of FEV6 % from baseline

0.1 (3.5)

-0.3 – 0.6

4.8

-0.5 (3.1)

-0.8 – -0.2

5.1

0.023

change of FVC [ml]

-35.6 (147.6)

-53.6 – -17.6

170.2

-48.1 (100.9)

-58.4 – -37.8

132.2

n.s.

change of FVC % from baseline

-0.6 (3.4)

-1.0 – -0.2

3.6

-1.2 (3.2)

-1.6 – -0.9

4.4

0.016

change of FET [s]

-0.1 (2.6)

-0.5 – 0.2

3.2

-0.3 (2.7)

-0.5 – 0.0

3.7

n.s.

change of FET % from baseline

-0.6 (21.2)

-3.2 – 2.0

34.7

1.2 (25.6)

-1.4 – 3.8

48.6

n.s.

  1. FEVt = forced expiratory volume in t second(s), FVC = forced vital capacity; FET = forced expiratory time; CI = confidence interval; n.s. = not significant