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Table 3 Percentual changes in spirometric values at different points in time in the groups and during periods with (E) and without (B) exposure to cooking fumes.

From: Short term exposure to cooking fumes and pulmonary function

Spirometric measure

Group A (n = 12)

Group B (n = 12)

All (n = 24)

  

2-1#

3-1

4-1

2-1

3-1

4-1

2-1

3-1

4-1

FVC

B

-1.1

-0.6

+0.1

-1.7

-1.3

-2.3

-1.4

-0.9

-1.1

 

E

+0.2

-0.5

-0.8

-1.3

-0.9

+0.1

-0.6

-0.7

-0.4

FEV1

B

+1.1

+1.3

+0.6

-0.8

-0.6

-1.6

+0.2

+0.4

-0.5

 

E

+0.5

-0.5

-1.2

-0.8

-0.5

-0.5

-0.2

-0.5

-0.9

FEV%

B

+2.3

+1.9

+0.6

+0.9

+0.8

+0.7

+1.6

+1.4

+0.7

 

E

+0.3

+0.0

-0.3

+0.5

+0.5

-0.6

+0.4

+0.2

-0.5

PEF

B

+2.4

-0.5

-1.7

-1.7

-1.7

-3.0

+0.4

-1.1

-2.3

 

E

-0.8

-0.2

-0.6

+0.9

+2.6

+1.4

+0.1

+1.2

+0.4

FEF25

B

+3.8

+5.9

+3.6

-5.0

-5.4

-4.2

-0.6

+0.3

-0.3

 

E

-0.9

+0.5

-0.4

-1.4

+1.9*

+0.7

-1.2

+1.2

+0.1

FEF50

B

+0.6

+3.4

-0.2

-2.6

-4.5

-4.6

-1.0

-0.6

-2.4

 

E

-0.6

+0.7

-2.5

+6.5*

+6.1*

+0.6

+2.9

+3.4

-1.0

FEF75

B

-0.7

+3.7

-0.9

+3.8

+3.8

+0.1

+1.6

+3.7

-0.4

 

E

+2.3

+0.6

+0.9

+1.3

-1.0

-0.6

+1.8

-0.2

+0.1

FET

B

+1.0

+0.2

-4.5

-0.7

-6.7

+8.7

+0.1

-3.2

+2.1

 

E

+1.0

+16.9

+1.0

+12.8

+14.6

+7.3

+6.9

+15.7*

+4.2

  1. * p < 0.05
  2. # 2-1 is the difference between the first measurement and the measurement at the time of leaving the kitchen after 2 or 4 hours. 3-1 is the difference between the first measurement and the measurement taken 6 hours after entering the kitchen. 4-1 is the difference between the first measurement and the measurement taken 24 hours after entering the kitchen during the day with exposure compared to the day without exposure.