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Table 3 Lung function in shooting instructors occupationally exposed to UFPs (3 study points)

From: Occupational exposure to ultrafine particles in police officers: no evidence for adverse respiratory effects

 

Timepoint 0

Timepoint 1

Timepoint 2

VC (L)

5.5 ± 1.0

5.3 ± 0.9

5.4 ± 0.7

VC (%)

95.6 ± 15.5

93.2 ± 16.2

94.6 ± 13.5

FEV1 (L)

4.6 ± 0.7

4.5 ± 0.7

4.3 ± 0.6

FEV1 (%)

96.8 ± 13.2

95.0 ± 11.2

92.5 ± 10.5

MEF50 (L/s)

2.8 ± 0.8

2.8 ± 0.8

2.6 ± 0.7

MEF50 (%)

94.7 ± 25.7

95.8 ± 25. 7

89.6 ± 23.0

MEF25 (L/s)

1.9 ± 0.3

2.0 ± 0.2

2.0 ± 0.2

MEF25 (%)

85.7 ± 34.8

82.2 ± 32.9

77.2 ± 27.2

  1. Data expressed in mean ± standard deviation
  2. VC, vital capacity; FEV1, forced expiratory volume in one second; MEF50, maximum expiratory flow at 50% of forced VC; MEF25, maximum expiratory flow at 25% of forced VC